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JavaScript - Problem With Addition
Hi,
I'm just learning JS by going through a book, while trying one of the examples in the book I ran into a problem with " + " operator. It think it's best I show by example (don't worry it's a fairly short script): Script Code: /* This is an attempt to do some math with javascript */
var a;
var b;
var c;
a = prompt("Pick your favorite number");
b = prompt("Pick your second favorite number");
c = a + b
document.write("a = " + a + ", b = " + b + ", c = " + c + "<br />");
document.write("<br />a + b = " + c + "<br />");
c += 6
document.write("<br />c + 6 = " + c + "<br />");
c -= 5
document.write("<br />c - 5 = " + c + "<br />");
c *= 3
document.write("<br />c * 3 =" + c + "<br />");
c /= 2
document.write("<br />c / 2 = " + c + "<br />");
c %= 7
document.write("<br />c % 7 = " + c + "<br />");
if (c > 0) {
document.write("<br /> Wrong!");
}
else {
document.write("<br /> You, I like")
}
Output Quote: a = 3, b = 4, c = 34 a + b = 34 c + 6 = 346 c - 5 = 341 c * 3 =1023 c / 2 = 511.5 c % 7 = 0.5 Wrong! As you can see the script doesn't execute the mathematical operation for addition. It instead strings it together. What am I doing wrong? Similar TutorialsDear Experts I have following codes, it works fine to sum. but when I enter these values 2100.49+100.20 then it says 2,200.6,899,999,999,996 insted of 2,200.69. How to overcome this problem. Please help Code: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<meta name="language" content="english">
<meta http-equiv="Content-Style-Type" content="text/css">
<title>Numeric Textbox Sample</title>
<style type="text/css">
#box1 {width:200px;height:170px;border:1px solid green;background:#e3eeff;padding-top:20px;}
.button {width:100px;margin-top:0px;}
body {
margin:0;
margin-top:100px;
}
</style>
<script language="javascript">
function validate(evt)
{
var theEvent = evt || window.event;
var key = theEvent.keyCode || theEvent.which;
var backslsh = key;
var chck = String.fromCharCode( key );
var regex = /[0-9]|\./;
if( !regex.test(chck) ) {
theEvent.returnValue = false;
if(theEvent.preventDefault) theEvent.preventDefault();
}
}
function addCommas(nStr)
{
nStr += '';
var x = nStr.split('.');
var x1 = x[0];
var x2 = x.length > 1 ? '.' + x[1] : '.00';
var rgx = /(\d+)(\d{3})/;
while (rgx.test(x1)) {
x1 = x1.replace(rgx, '$1' + ',' + '$2')
}
return x1 + x2;
}
function fncSum2()
{
var amount1=form2.text1.value;
var amount2=form2.text2.value;
var a = amount1.replace(/[^0-9\.]/g,"");
var b = amount2.replace(/[^0-9\.]/g,"");
var nStr = (Number(a) + Number(b)).toString();
var rgx = /(\d+)(\d{3})/;
while (rgx.test(nStr)) {
nStr = nStr.replace(rgx, '$1,$2');
}
//nStr = "$" + nStr; // if $ prefix required
if (nStr.indexOf('.') == -1) { // if whole number add .00
nStr = nStr + ".00"
}
nStr = nStr.replace(/(\.\d)$/,"$10"); // if only one DP add another 0
return nStr
}
</script>
</head>
<body onload="form2.text1.focus()" >
<center>
<p>Enter 2100.49 in Amount</p>
<p>Enter 100.20 in Tax</p>
<p> and press + button<br>
It shows 2,200.6,899,999,999,996<br>
but I need 2,200.69</p>
</p>
<div id="box1">
<form name=form2>
<table width="100%" border="0" cellpadding="0" cellspacing="0">
<tr><td>Amount</td>
<td><input type=text name=text1 size=15 value="" onkeypress='validate(event)' onfocus="this.select
()" onblur="form2.text1.value=addCommas(form2.text1.value)" > </td></tr>
<tr><td>Tax</td> <td><input type=text name=text2 size=15 value="" onkeypress='validate(event)'
onblur="form2.text2.value=addCommas(form2.text2.value)"></td></tr>
<tr><td>Result</td><td><input type=text name=text3 size=15 value="" disabled></td></tr>
</table>
<hr>
<input class="button" type=button name=command1 value="+" onclick="form2.text3.value=fncSum2()"><br>
<input class="button" type=button name=command8 value="Focus" onclick="form2.text1.select
()";"form2.text1.focus()"><br>
<input class="button" type=reset name=command9 value="Reset">
</form>
</div>
</center>
</body>
</html>
Code: var purchasePrice = window.prompt("Please enter the purchase price:", 0);
function calculateTotalCost () {
if (purchasePrice <= 25) {
purchasePrice = purchasePrice + 1.50;
}
else {
purchasePrice = purchasePrice + (purchasePrice * 0.10);
}
window.alert("Your total price is $ " + purchasePrice);
}
I am still getting the same error, concatenation instead of addition, i can't figure out why. (i.e input 50, result 505 instead of 55.) hat i'm trying to achieve is to add two numbers using do while loop. below is the code however result wont show up. i cant seem to determine the error. help me pls. Quote: <script = "text/javascript"> function myanswer(x,y){ x=parseInt(x); y=parseInt(y); i=1; sum=0; do { sum=x+i; i++; } while(i<y) document.myform.asnwer.value=sum; } </script> <form name='myform'> Enter First number:<input type='text' name='x'></br> Enter Second number:<input type='text' name'y'></br> Result:<input type='text' name='answer'></br> <input type='button' value='Click on Me!' onclick="myanswer(myform.x.value,myform.y.value);"</br> </form> Ok, so I have 4 textboxes with ids payment, payment1, payment2, payment3 and with each box is a submit button, named submt1-4 I need to know how I can add all of the values into one textbox named total. so when submit1 is clicked, it will add payment to the total, then when submit2 is clicked, it will add payment1 to the value, etc. But, each text box could be used more than once, so payment could be used 8 times, and each of the 8 times, it needs to add the proper value to the total. how would I do something like this? So what I know about JS, you could write on a postage stamp, but I want t6o know if this is possible: On Page A: The user fills out a form, stating how many of each time of item they want, and the clicks submit, which mails the form to me (GenericPHP Mailer), and is rederected to page B. (That I can do) On Page B: The value of the items in the form on Page A is calculated, then a link is generated with a random order number, and the value of the order as link parameters. Can I do this? and how? Hello. Sorry the code example might be a little long but it's repetitive and should be easy to understand. http://jsbin.com/eyeke4/13/edit My real code has 12 examples and not 3 but for the sake of this I had to shorten it as much as possible. When you go on there and preview it, you Select a level, then select a hero, then select 3 items and hit click me. This will give you a result of statistics. Now my problem is all the way on the right you will see all 3 values of AP are added together. In the last column alone. The thing about it is if you change item #1 and item #2 it does not update properly..to update it you MUST change the last item each time, which is inconvenient. The way it works is : daap1 = iap1[isi1]; daap2 = iap2[isi2]; daap3 = iap3[isi3]; totalap = (daap1 + daap2 + daap3); $(".tap").html(totalap); Pretty much like this in a nutshell. if I were to put $(".tap").html((iap1[isi1] + iap2[isi2] + iap3[isi3])); it works perfectly fine. But I need to use the variable totalap in formulas. How do I make it so things always update properly without the user having to do inconvenient things like always having to reselect the last dropdown? In my main code I have 12 total, 6 and 6 split apart, for me to currently get accurate info I must reselect the 6th and 12th item every single time. Any help on how I could achieve this would be very much appreciated, do I need a database or something? I don't mind what I need as long as it would work perfectly. Thanks in advance. I need help adding an additional function to some existing java script code I already have. In addition to the functions already on this js, I want make it so the banner displays one of the images randomly on each new page load. I have an external js file that this page also links too. Not sure if I need to post that also. I was hoping to just add to this code. Any help is greatly appreciated <script type="text/javascript" src="js/homepage-banners/simplegallery.js"> </script> <script type="text/javascript"> var mygallery=new simpleGallery({ wrapperid: "simplegallery1", dimensions: [250, 180], imagearray: [ ["img/headers/automotive.jpg", "http://www.visionsystem.com/applications/automotive_metal.php", "", ""], ["img/headers/electrical.jpg", "http://www.visionsystem.com/applications/electronics.php", "", ""], ["img/headers/food-packaging.jpg", "http://www.visionsystem.com/applications/food_pharmaceutical.php", "", ""], ["img/headers/medical-pharmaceutical.jpg", "http://www.visionsystem.com/applications/food_pharmaceutical.php", "", ""], ["img/headers/semiconductor.jpg", "http://www.visionsystem.com/applications/electronics.php", "", ""], ["img/headers/automation.jpg", "http://www.visionsystem.com/applications/food_pharmaceutical.php", "", ""] ], autoplay: [false, 2500, 2], persist: false, fadeduration: 500, oninit:function(){ }, onslide:function(curslide, i){ } }) </script> Hi pals, I am really tired in this problem of event keyup. I given same in my keyup function like: $(document).ready(function () { alert("GGG"+parseInt(jQuery.browser.version)); //To display test value working $("#find_text").keyup(function(e) { if(e.which == 13) { alert('Enter key was pressed'); //enter Here alert("FFF"+parseInt(jQuery.browser.version)); //Here got Error } }); }); I got Error : jQuery is not defined alert("FFF"+parseInt(jQuery.browser.version)); I use keycode,which , but no help, It's Work nicely in Chrome Browser but not in FF. Please give a Solution reply ASAP, I am really Tired.The code enter the Condition But that jQuery part make error. Thankfully Anes P.A Code: <html>
<head>
<!--
CIS 340 Final
Webpage project
Author: Jeffrey Faulkner
Date: 04/27/2011
File name: Mailinglist.htm
-->
<title>Home</title>
<link href="mario.css" rel="stylesheet" type="text/css" />
<script src="random.js" type="text/javascript"></script>
<script src="ads.js" type="text/javascript"></script>
<script type="text/javascript">
function valmail() {
var lastName = document.Infoform.LastName.value;
var firstname = document.Infoform.FirstName.value;
var mi = document.Infoform.Mi.value;
var address = document.Infoform.Address.value;
var city = document.Infoform.City.value;
var state = document.Infoform.State.value;
var zip = document.Infoform.Zip.value;
var phone = document.Infoform.Phone.value;
var dob = new Date (document.Infoform.Dob.value);
var res = document.Infoform.chkResident.value;
var email = document.infoform.email.value;
var cemail = document.infoform.cemail.value;
var stuClass;
var classChecked = false;
var selectnews = document.getElementById('lstF_ID');
var advisor = selectnews.options (selectnews.selectedIndex).innerHTML
var radio = document.Infoform.Class.value;
for (var i=0; i < document.Infoform.Class.length; i++) {
if (document.Infoform.Class[i].checked) {
classChecked = true;
stuClass = document.Infoform.Class[i].value;
}
}
if (lastName == "") {
alert ("Please enter a last name");
document.Infoform.LastName.select();
return false;
} else if (firstname == "") {
alert ("Please enter a first name");
document.Infoform.FirstName.select();
return false;
}else if (address == "") {
alert ("Please enter a address");
document.Infoform.Address.select();
return false;
} else if (city == "") {
alert ("Please enter a city");
document.Infoform.City.select();
return false;
} else if (state == "") {
alert ("Please enter a state");
document.Infoform.State.select();
return false;
} else if (zip == "") {
alert ("Please enter a zip");
document.Infoform.Zip.select();
return false;
} else if (phone == "") {
alert ("Please enter a phone");
document.Infoform.Phone.select();
return false;
}else if (dob == "NaN") {
alert ("Date of Birth is not valid, use MM/DD/YYYY to enter data");
document.Infoform.Dob.select();
return false;
}else if (Class.checked == "false"){
alert ("No class selected");
return false;
}else if (email != cemail){
alert ("emails are not the same.");
return false;
}else {
alert ("Last name: " + lastName + "\n" + "First Name: " + firstname + "\n" +
"mi: " + mi + "\n" + "Address: " + address + "\n" + "City: " + city + "\n" +
"State: " + state + "\n" + "Zip: " + zip + "\n" + "phone: " + phone + "\n" +
"Date of Birth: " + dob + "\n" + "Advisor " + advisor + "\n" +
"classfication " + stuClass);
return true;
}
}
</script>
</head>
<body>
<h5><script type="text/javascript">
rNumber = randInt(5); //generate a random integer from 1 to 5
rAd = adDescription(rNumber); // description of the random ad
rLink = adLink(rNumber); // url of the random ad
document.write("<a href=" + rLink + ">");
document.write("<img src='ad" + rNumber + ".jpg' alt='" + rAd + "' />");
document.write("</a>");
</script></h5>
<hr />
<a href="Home.htm">Home</a>
<a href="speedrun.htm">Speed Runs</a>
<a href="History.htm">History</a>
<a href="mailinglist.htm">Mailing List</a>
<a href="games.xml">List of games</a>
<hr />
<h5><h3>Mario Mailing List</h3></h5>
<h5><h3><form name="Infoform" action="action%20marker" id="Infoform" onSubmit="valmail()">
<table align="center">
<tr>
<td> Last Name:</td>
<td><input type="text" name="LastName" size="20" /></td>
<td></td>
<td></td>
<td><h4>Class:</h4></td>
<td></td>
</tr>
<tr>
<td> First Name:</td>
<td><input type="text" name="FirstName" size="20" /></td>
<td></td>
<td><input type="radio" name="Class" value="Mail" /></td>
<td>Mail<td>
</tr>
<tr>
<td> MI:</td>
<td><input type="text" name="Mi" size="5" /></td>
<td></td>
<td><input type="radio" name="Class" value="email" /></td>
<td>Email</td>
</tr>
<tr>
<td> Address:</td>
<td><input type="text" name="Address" size="20" /></td>
<td></td>
<td><input type="radio" name="Class" value="email" /></td>
<td>phone</td>
</tr>
<tr>
<td> City:</td>
<td><input type="text" name="City" size="20" /></td>
<td></td>
<td><input type="radio" name="Class" value="text" /></td>
<td>text</td>
</tr>
<tr>
<td> State:</td>
<td><input type="text" name="State" size="5" /></td>
<td></td>
<td><input type="radio" name="Class" value="any" /></td>
<td>any</td>
</tr>
<tr>
<td> ZIP Code:</td>
<td><input type="text" name="Zip" size="20" /></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td> Phone:</td>
<td><input type="text" name="Phone" size="20" /></td>
<td></td>
<td><input name="chkResident" type="checkbox" /></td>
<td> All the above</td>
</tr>
<tr>
<td> Date of Birth:</td>
<td><input type="text" name="Dob" size="20" /></td>
<td></td>
<td>What news do you want to here about?</td>
<td><select size="1" name="lstF_ID">
<option selected="selected" value="1">New speed runs</option>
<option value="2">upcoming games</option>
<option value="3">New bugs found</option>
<option value="4">new speed runs</option>
<option value="5">All</option>
</select value="1"></td>
</tr>
<tr>
<td> EMail:</td>
<td><input type="text" name="email" size="20" /></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td> confirm email:</td>
<td><input type="text" name="cemail" size="20" /></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td><input type="submit" value="Submit" /></td>
</tr>
</table>
</form></h3></h5>
</body>
<hr />
<address>
All information taken from mario wiki
</address>
</html>
I have looked at this for an hour and i can not find anything wrong this is coder javascript : textneu = textneu.replace(/haha/,"<img src='../images/21.gif'>"); Result: <img src='../images/21.gif'> why? i want result is : <img src='../images/21.gif'> Scratch that, its started working... oh well haha Hi, so I thought I could mash two bits of code together like this: Code: <div><label for="or">From:</label>
<select name="or" style="width:200px; float: right" id="or" onchange="populate(this)">
<option value="Choose">Select your starting point</option>
<option value="Guatemala">Guatemala City</option>
<option value="Xela">Quetzaltenango</option>
<option value="Antigua">Antigua</option>
<option value="Rio Dulce">Rio Dulce</option>
<option value="Coban">Coban</option>
</select></div>
<div>
<label for="de">To:</label>
<select name="de" style="width:200px; float: right" id="de"></select>
</div>
<div>
<br>
<input type="button" onclick="searchLocations()" value="Show route" />
</div>
</div>
</div>
</div>
<script type="text/javascript">
if (GBrowserIsCompatible()) {
var gpolylines = [];
function populate(o) {
d=document.getElementById('de');
if(!d){return;}
var mitems=new Array();
mitems['Choose']=[''];
mitems['Guatemala']=['Select Destination','Antigua','El Rancho junction','San Pedro La Laguna','Panajachel','Coban','Rio Hondo','Chiquimula','Esquipulas','Copan Ruinas (Honduras)','La Ruidosa junction','Rio Dulce','Flores (via Rio Dulce)','Puerto Barrios','Flores (via Coban)','Quetzaltenango'];
mitems['Xela']=['Select Destination','Guatemala City','Antigua','Chichicastenango','Huehuetenango','Panajachel','San Pedro La Laguna'];
mitems['Antigua']=['Select Destination','Guatemala City','Quetzaltenango','Escuintla','Monterrico','San Pedro la Laguna','Panajachel','Chichicastenango'];
mitems['Rio Dulce']=['Select Destination','Guatemala City','Flores','Lanquin','Coban','Puerto Barrios'];
mitems['Coban']=['Select Destination','Lanquin','Rio Dulce','Laguna Lachua NP','Flores'];
d.options.length=0;
cur=mitems[o.options[o.selectedIndex].value];
if(!cur){return;}
d.options.length=cur.length;
for(var i=0;i<cur.length;i++) {
d.options[i].text=cur[i];
d.options[i].value=cur[i];
}
}
function searchLocations()
{
var found = false;
var from = document.getElementById('or').value;
var to = document.getElementById('de').value;
for (var a = 0; a < gpolylines.length; a++)
{
if (gpolylines[a].myname.toLowerCase() == to.toLowerCase() && gpolylines[a].mycategory.toLowerCase() == from.toLowerCase())
{
found = true;
gpolylines[a].show();
}
}
if ( ! found ) alert("No matches found. Please check your spelling or refine your search.");
}
the first bit, which populates the select boxes works fine, as you can see here but the second bit (the searchLocations function) is giving me a bit more trouble. What it's supposed to be doing is saying that if there's a polyline whose category xml attribute matches the text from the 1st select box AND whose name attribute matches the 2nd select box, it should be shown. The methods have worked in the past, there are no errors reported - the only problem is I get the alert regardless of which option I am selecting. I suspect that the problem is in the if (gpolylines[a].myname.toLowerCase() == to.toLowerCase() && gpolylines[a].mycategory.toLowerCase() == from.toLowerCase()) line, as it's the only one that I really came up with on my own... or can I not get the "or" and "de" elements in that way? Or is it something else entirely? thanks in advance for any suggestions... hi i found some javascript on the internet that seemed to do what I wanted to achieve but cannot get it to work when the mouse is over the image it should show a bigger image. I've used the internet explorer debugger and there seems to be problem in the code, but i dont understand javascript programming. Im a php man myself. all the script is enclosed in this page http://www.web-malta.com/testimage.html if you put the mouse over the photo you will see there is an error on the page. hope someonbe can help. cheers For help I m putting it all together ..copy and paste and run ... I used 2 browsers IE and mozilla... you fill find the problem ...I know some one will definatly solve my problem ..... Code: <script type="text/javascript" language="JavaScript"><!--
function ManageTabPanelDisplay() {
var idlist = new Array('tab1focus','tab2focus','tab3focus','tab4focus','tab1ready','tab2ready','tab3ready','tab4ready','content1','content2','content3','content4');
if(arguments.length < 1) { return; }
for(var i = 0; i < idlist.length; i++) {
var block = false;
for(var ii = 0; ii < arguments.length; ii++) {
if(idlist[i] == arguments[ii]) {
block = true;
break;
}
}
if(block) { document.getElementById(idlist[i]).style.display = "block"; }
else { document.getElementById(idlist[i]).style.display = "none"; }
}
}
//--></script>
<style type="text/css">
.tab {
font-family: verdana,sans-serif;
font-size: 12px;
width: 100px;
height:30px;
white-space: nowrap;
text-align: center;
border-style: solid;
border-color: #9a9a9a;
border-left-width: 1px;
border-right-width: 1px;
border-top-width: 1px;
border-bottom-width: 0px;
padding-top: 5px;
padding-bottom: 5px;
padding-left:3px;
padding-right:3px;
cursor: pointer;
}
.tabhold {
background-color:#9a9a9a; /*color of menu #666666*/
color: white;
}
.tabfocus {
background-color:white;
color: #666666;
}
.tabcontent {
font-family: sans-serif;
font-size: 12px;
height: 320px;
border-style: solid;
border-color: #9a9a9a;
border-width: 1px;
padding-top: 15px;
padding-left: 10px;
padding-right: 10px;
overflow-y:scroll;overflow:-moz-scrollbars-vertical;
}
</style>
<table border="0" cellpadding="0" cellspacing="0" >
<tr >
<td>
<div id="tab1focus" class="tab tabfocus" style="display:block; padding-top:10px; height:39px;" >
Overview
</div>
<div id="tab1ready" class="tab tabhold" style="display:none; padding-top:10px;height:39px;">
<span onclick="ManageTabPanelDisplay('tab1focus','tab2ready','tab3ready','tab4ready','content1')" >Overview
</span>
</div>
</td><td > </td><td>
<div id="tab2focus" class="tab tabfocus" style="display:none;">
Dimensions <br />
& Details
</div>
<div id="tab2ready" class="tab tabhold" style="display:block;">
<span onclick="ManageTabPanelDisplay('tab1ready','tab2focus','tab3ready','tab4ready','content2')">Dimensions <br />
& Details</span>
</div>
</td><td > </td><td>
<div id="tab3focus" class="tab tabfocus" style="display:none;">
Quantity <br />
& Constructions
</div>
<div id="tab3ready" class="tab tabhold" style="display:block;">
<span onclick="ManageTabPanelDisplay('tab1ready','tab2ready','tab3focus','tab4ready','content3')">Quantity <br />
& Constructions</span>
</div>
</td>
<td > </td><td>
<div id="tab4focus" class="tab tabfocus" style="display:none;">
Customization <br />
Options
</div>
<div id="tab4ready" class="tab tabhold" style="display:block;">
<span onclick="ManageTabPanelDisplay('tab1ready','tab2ready','tab3ready','tab4focus','content4')">Customization <br />
Options
</span>
</div>
</td>
<td width="100%"> </td><td>
</tr>
<tr >
<td colspan="8" >
<div id="content1" class="tabcontent" style="display:block;">
content1
</div>
<div id="content2" class="tabcontent" style="display:none;">
content2
</div>
<div id="content3" class="tabcontent" style="display:none;">
content3
</div>
<div id="content4" class="tabcontent" style="display:none;">
content4
</div>
</td></tr>
</table>
please help thanks I am creating a page which redirects automatically depending on the date. What I've done so far is below, but how would I make it go switch to exceeded_year.htm on 25th March 2011 for example? I will also include other dates and later put this page in a header frame and controlling the frame below so its constantly open. <html> <script type="text/javascript"> <!-- var currentTime = new Date() var date = currentTime.getDate() var month = currentTime.getMonth() + 1 var year = currentTime.getFullYear() if (year > 2011 ) {window.location = "exceeded_year.htm"; } else window.location="#" //--> </script> </html> Hi, i can't get my new logo to work in IE, it's working fine in Chrome and FireFox, it must be a JavaScript problem. here it is: http://danishwebart.com/logo/logo.php And the JavaScrip: $(function() { var canvas = $("#c"); var canvasHeight; var canvasWidth; var ctx; var dt = 0.1; var pointCollection; function init() { updateCanvasDimensions(); var g = [new Point(27, 34, 0.0, 1, "#ed9d33"), new Point(26, 38, 0.0, 1, "#d44d61"), new Point(25, 41, 0.0, 1, "#4f7af2"), new Point(22, 44, 0.0, 1, "#ef9a1e"), new Point(18, 46, 0.0, 2, "#4976f3"), new Point(12, 44, 0.0, 2.5, "#269230"), new Point(7, 41, 0.0, 2, "#1f9e2c"), new Point(5, 37, 0.0, 1, "#36b641"), new Point(4, 33, 0.0, 1, "#2e5def"), new Point(4, 29, 0.0, 1, "#d53747"), new Point(5, 25, 0.0, 1, "#eb676f"), new Point(6, 22, 0.0, 1, "#f9b125"), new Point(8, 19, 0.0, 1, "#de3646"), new Point(11, 16, 0.0, 1, "#5f8af8"), new Point(13, 14, 0.0, 1, "#efa11e"), new Point(16, 12, 0.0, 1, "#2e55e2"), new Point(19, 10, 0.0, 1, "#4167e4"), new Point(23, 8, 0.0, 1.5, "#4869e3"), new Point(28, 6, 0.0, 2, "#10a11d"), new Point(33, 5, 0.0, 2, "#cf4055"), new Point(38, 5, 0.0, 2, "#cd4359"), new Point(44, 6, 0.0, 3, "#ca273c"), new Point(51, 8, 0.0, 3, "#2650e1"), new Point(57, 11, 0.0, 3, "#4a7bf9"), new Point(63, 16, 0.0, 3.5, "#f47875"), new Point(68, 23, 0.0, 4, "#f36764"), new Point(71, 31, 0.0, 3.5, "#1d4eeb"), new Point(72, 38, 0.0, 3, "#698bf1"), new Point(72, 44, 0.0, 2.5, "#fac652"), new Point(72, 49, 0.0, 2, "#ee5257"), new Point(71, 54, 0.0, 2, "#5681f5"), new Point(70, 59, 0.0, 2, "#f8c247"), new Point(68, 64, 0.0, 2, "#4577f6"), new Point(65, 68, 0.0, 2, "#f7b326"), new Point(62, 72, 0.0, 2, "#facb5e"), new Point(59, 75, 0.0, 2, "#e02e3d"), new Point(55, 77, 0.0, 2, "#f16d6f"), new Point(53, 78, 0.0, 2.5, "#507bf2"), new Point(47, 79, 0.0, 3, "#5683f7"), new Point(40, 77, 0.0, 3.5, "#3158e2"), new Point(33, 74, 0.0, 3.5, "#f0696c"), new Point(27, 73, 0.0, 2.5, "#3769f6"), new Point(22, 73, 0.0, 2, "#6084ef"), new Point(19, 76, 0.0, 1.5, "#2a5cf4"), new Point(17, 79, 0.0, 1, "#f4716e"), new Point(25, 70, 0.0, 2, "#f8c247"), new Point(29, 67, 0.0, 2, "#ec4147"), new Point(33, 64, 0.0, 2, "#4876f1"), new Point(36, 59, 0.0, 2.5, "#2552ea"), new Point(38, 53, 0.0, 3, "#4779f7"), new Point(38, 46, 0.0, 3.5, "#4b78f1"), new Point(38, 38, 0.0, 3.5, "#4b78f1"), new Point(37, 31, 0.0, 2.5, "#4b78f1"), new Point(38, 25, 0.0, 2, "#4b78f1"), new Point(40, 20, 0.0, 2, "#4b78f1"), new Point(42, 16, 0.0, 1.5, "#4b78f1"), new Point(45, 14, 0.0, 1, "#4b78f1"), new Point(48, 12, 0.0, 1, "#4b78f1"), new Point(59, 82, 0.0, 1, "#ed9d33"), new Point(62, 80, 0.0, 1.5, "#d44d61"), new Point(66, 77, 0.0, 2, "#4f7af2"), new Point(70, 73, 0.0, 2, "#4976f3"), new Point(73, 69, 0.0, 2, "#269230"), new Point(76, 65, 0.0, 2, "#1f9e2c"), new Point(79, 60, 0.0, 2, "#36b641"), new Point(80, 55, 0.0, 1.5, "#2e5def"), new Point(81, 65, 0.0, 2.5, "#eb676f"), new Point(83, 71, 0.0, 3, "#f9b125"), new Point(84, 77, 0.0, 2.5, "#de3646"), new Point(82, 82, 0.0, 2, "#de3646"), new Point(88, 74, 0.0, 1.5, "#efa11e"), new Point(90, 70, 0.0, 1.5, "#2e55e2"), new Point(92, 66, 0.0, 1.5, "#4869e3"), new Point(93, 62, 0.0, 1.5, "#4869e3"), new Point(95, 53, 0.0, 1, "#10a11d"), new Point(95, 57, 0.0, 2, "#cf4055"), new Point(97, 62, 0.0, 2.5, "#cd4359"), new Point(100, 68, 0.0, 3, "#ca273c"), new Point(102, 74, 0.0, 2.5, "#2650e1"), new Point(101, 80, 0.0, 2, "#4a7bf9"), new Point(105, 78, 0.0, 1, "#f36764"), new Point(107, 75, 0.0, 1, "#1d4eeb"), new Point(109, 72, 0.0, 1, "#698bf1"), new Point(110, 69, 0.0, 1, "#fac652"), new Point(111, 66, 0.0, 1, "#ee5257"), new Point(112, 63, 0.0, 1, "#5681f5"), new Point(112, 60, 0.0, 1.5, "#f8c247"), new Point(112, 56, 0.0, 1.5, "#4577f6"), new Point(110, 52, 0.0, 2, "#f7b326"), new Point(107, 48, 0.0, 2.5, "#facb5e"), new Point(102, 45, 0.0, 2.5, "#e02e3d"), new Point(97, 43, 0.0, 2, "#f16d6f"), new Point(110, 83, 0.0, 1, "#507bf2"), new Point(112, 80, 0.0, 1, "#5683f7"), new Point(114, 77, 0.0, 1.5, "#3158e2"), new Point(116, 73, 0.0, 1.5, "#f0696c"), new Point(118, 69, 0.0, 1.5, "#3769f6"), new Point(119, 65, 0.0, 1.5, "#6084ef"), new Point(119, 61, 0.0, 1.5, "#2a5cf4"), new Point(119, 57, 0.0, 1.5, "#f4716e"), new Point(118, 53, 0.0, 1.5, "#f8c247"), new Point(116, 50, 0.0, 1, "#ec4147"), new Point(120, 51, 0.0, 1, "#4876f1"), new Point(123, 53, 0.0, 1, "#2552ea"), new Point(126, 55, 0.0, 1, "#4779f7"), new Point(129, 58, 0.0, 1.5, "#4b78f1"), new Point(132, 61, 0.0, 1.5, "#4b78f1"), new Point(135, 65, 0.0, 1.5, "#4b78f1"), new Point(138, 69, 0.0, 1.5, "#4b78f1"), new Point(140, 73, 0.0, 2, "#4b78f1"), new Point(142, 78, 0.0, 2, "#4b78f1"), new Point(143, 83, 0.0, 2, "#4b78f1"), new Point(121, 70, 0.0, 1, "#4b78f1"), new Point(124, 71, 0.0, 1, "#4b78f1"), new Point(127, 71, 0.0, 1, "#4b78f1"), new Point(130, 71, 0.0, 1.5, "#4b78f1"), new Point(134, 70, 0.0, 1.5, "#4b78f1"), new Point(142, 68, 0.0, 1.5, "#4b78f1"), new Point(146, 68, 0.0, 1, "#4b78f1"), new Point(149, 69, 0.0, 1, "#4b78f1")]; gLength = g.length; for (var i = 0; i < gLength; i++) { g[i].curPos.x = (canvasWidth/2 - 0) + g[i].curPos.x; g[i].curPos.y = (canvasHeight/2 - 0) + g[i].curPos.y; g[i].originalPos.x = (canvasWidth/2 - 0) + g[i].originalPos.x; g[i].originalPos.y = (canvasHeight/2 - 0) + g[i].originalPos.y; }; pointCollection = new PointCollection(); pointCollection.points = g; initEventListeners(); timeout(); }; function initEventListeners() { $(window).bind('resize', updateCanvasDimensions).bind('mousemove', onMove); canvas.get(0).ontouchmove = function(e) { e.preventDefault(); onTouchMove(e); }; canvas.get(0).ontouchstart = function(e) { e.preventDefault(); }; }; function updateCanvasDimensions() { canvas.attr({height: $(window).height(), width: $(window).width()}); canvasWidth = canvas.width(); canvasHeight = canvas.height(); draw(); }; function onMove(e) { if (pointCollection) pointCollection.mousePos.set(e.pageX, e.pageY); }; function onTouchMove(e) { if (pointCollection) pointCollection.mousePos.set(e.targetTouches[0].pageX, e.targetTouches[0].pageY); }; function timeout() { draw(); update(); setTimeout(function() { timeout() }, 30); }; function draw() { var tmpCanvas = canvas.get(0); if (tmpCanvas.getContext == null) { return; }; ctx = tmpCanvas.getContext('2d'); ctx.clearRect(0, 0, canvasWidth, canvasHeight); if (pointCollection) pointCollection.draw(); }; function update() { if (pointCollection) pointCollection.update(); }; function Vector(x, y, z) { this.x = x; this.y = y; this.z = z; this.addX = function(x) { this.x += x; }; this.addY = function(y) { this.y += y; }; this.addZ = function(z) { this.z += z; }; this.set = function(x, y, z) { this.x = x; this.y = y; this.z = z; }; }; function PointCollection() { this.mousePos = new Vector(0, 0); this.points = new Array(); this.newPoint = function(x, y, z) { var point = new Point(x, y, z); this.points.push(point); return point; }; this.update = function() { var pointsLength = this.points.length; for (var i = 0; i < pointsLength; i++) { var point = this.points[i]; if (point == null) continue; var dx = this.mousePos.x - point.curPos.x; var dy = this.mousePos.y - point.curPos.y; var dd = (dx * dx) + (dy * dy); var d = Math.sqrt(dd); if (d < 80) { point.targetPos.x = (this.mousePos.x < point.curPos.x) ? point.curPos.x - dx : point.curPos.x - dx; point.targetPos.y = (this.mousePos.y < point.curPos.y) ? point.curPos.y - dy : point.curPos.y - dy; } else { point.targetPos.x = point.originalPos.x; point.targetPos.y = point.originalPos.y; }; point.update(); }; }; this.draw = function() { var pointsLength = this.points.length; for (var i = 0; i < pointsLength; i++) { var point = this.points[i]; if (point == null) continue; point.draw(); }; }; }; function Point(x, y, z, size, colour) { this.colour = colour; this.curPos = new Vector(x, y, z); this.friction = 0.8; this.originalPos = new Vector(x, y, z); this.radius = size; this.size = size; this.springStrength = 0.1; this.targetPos = new Vector(x, y, z); this.velocity = new Vector(0.0, 0.0, 0.0); this.update = function() { var dx = this.targetPos.x - this.curPos.x; var ax = dx * this.springStrength; this.velocity.x += ax; this.velocity.x *= this.friction; this.curPos.x += this.velocity.x; var dy = this.targetPos.y - this.curPos.y; var ay = dy * this.springStrength; this.velocity.y += ay; this.velocity.y *= this.friction; this.curPos.y += this.velocity.y; var dox = this.originalPos.x - this.curPos.x; var doy = this.originalPos.y - this.curPos.y; var dd = (dox * dox) + (doy * doy); var d = Math.sqrt(dd); this.targetPos.z = d/100 + 1; var dz = this.targetPos.z - this.curPos.z; var az = dz * this.springStrength; this.velocity.z += az; this.velocity.z *= this.friction; this.curPos.z += this.velocity.z; this.radius = this.size*this.curPos.z; if (this.radius < 1) this.radius = 1; }; this.draw = function() { ctx.fillStyle = this.colour; ctx.beginPath(); ctx.arc(this.curPos.x, this.curPos.y, this.radius, 0, Math.PI*2, true); ctx.fill(); }; }; init(); }); Hi, I have html variable as below: html += "<div class='quickSearchResultDivUnselected' style='width:" + divWidh + "px;max-width:" + divWidh + "px'><a href='#' OnClick='javascript:test('" + title + "')>" + title + "</a></div>"; The problem is with OnClick='javascript:test('" + title + "')>". How to make this link as <a OnClick='javascript:test("VALUE")'></a>, because now as result it looks like this and it doesn't work: <a OnClick='javascript:test('value')'></a>; So the problem is with ' and ". How to make it correctly in this long line of html variable ? Please help. This is a program that calculates discriminant/number of solutions for a given quadratic equation.. it all works, but the number of solution field is not filled, so i think i did something wrong on my if else statements for it.. help! Code: <html>
<head>
<title>Untitled</title>
</head>
<script type="text/javascript">
<!-- Begin
function quad(form) {
a = form.a.value
b = form.b.value
c = form.c.value
form.Dis.value = (b * b) - (4 * a * c)
If(form.Dis.value > 0)
{
form.NumSol.value = 2
}
Else;(form.Dis.value = 0)
{
form.NumSol.value = 1
}
Else
{
form.NumSol.value = 0
}
}
// End -->
</script>
<body><center>
<form name="form1">
<input type="text" name="a" size=5>
x^2 +
<input type="text" name="b" size=5>
x +
<input type="text" name="c" size=5>
<input type="button" value="Calculate"
onClick="quad(this.form)">
Discriminant: <input type="text" name="Dis" size = 7 />
Number of Solutions: <input type="text" name="NumSol" size = 7 />
</form>
</center>
</body>
</html>
hi at all!!! I'm new in this forum. I have a problem and I need your experience in js! I have one page in html, but that is build only with js and css3. My problem is: The page generate in automatic one template every time u click one voice in menu, but the name of the page is always the same. When I click "Back" for visualize post page, I cant visualize because I have only one page! My question is: How can I create a function to manage "back page" if I have always only one page? Thanks u Reply With Quote 01-07-2015, 09:48 PM #2 Old Pedant View Profile View Forum Posts Supreme Master coder! Join Date Feb 2009 Posts 28,311 Thanks 82 Thanked 4,754 Times in 4,716 Posts I am afraid that you are giving us *WAY* too little information for us to even guess at an answer. Show your code. Or, better, show us a live URL that exhibits the problem. |
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