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JavaScript - Hi, New To Javascript - Have A Roadblock
Hi,
New to javascript. Trying to make a pause/play button using bootstrap glyphicons. The pause icon will not display during pause action and I can't figure out why. Code below. Please help! Code: <script>
function playpause_audio(btn,aud,icplay,icpause){
var icplay = document.getElementById(icplay);
var icpause = document.getElementById(icpause);
var aud = document.getElementById(aud);
if(aud.paused){
aud.play();
btn.style.backgroundColor = "white";
icpause.style.display = "inline-block";
icpause.style.visibility = "visible";
/*now hide play button*/
icplay.style.visibility = "hidden";
icplay.style.display = "none";
}
else{
aud.pause();
btn.style.backgroundColor = "blue";
icplay.style.display = "inline-block";
icplay.style.visibility = "visible";
/*now hide pause button*/
icpause.style.visibility = "hidden";
icpause.style.display = "none";
}
aud.onended = function() {
btn.style.backgroundColor = 'inherit';
icplay.style.display = "inline-block";
icplay.style.visibility = "visible";
/*now hide pause button*/
icpause.style.visibility = "hidden";
icpause.style.display = "none";
}
}
</script>
Similar TutorialsHi all, I am having a problem with the following code: js Code: function encrypt() {
var char, encryptedoutput = "", rawinput, shiftamt;
rawinput = document.getElementById("inputinfo").value;
shiftamt = document.getElementById("shiftamt").value;
for (i = 0; i < rawinput.length; i++) {
char = rawinput.charCodeAt(i);
if (char >= 65 && char <= 90) encryptedoutput += String.fromCharCode((char - 65 + shiftamt) % 26 + 65);
else if (char >= 97 && char <= 122) encryptedoutput += String.fromCharCode((char - 97 + shiftamt) % 26 + 97);
else encryptedoutput += rawinput.charAt(i);
}
document.getElementById("outputinfo").value = encryptedoutput;
}
function decrypt() {
var encryptedchar, decryptedoutput = "", cipherinput, shiftamt;
cipherinput = document.getElementById("inputinfo").value;
shiftamt = document.getElementById("shiftamt").value;
shiftamt = (26 - shiftamt) % 26;
for (z = 0; z < cipherinput.length; z++) {
encryptedchar = cipherinput.charCodeAt(z);
if (encryptedchar >= 65 && encryptedchar <= 90) decryptedoutput += String.fromCharCode((encryptedchar - 65 - shiftamt) % 26 + 65);
else if (char >= 97 && encryptedchar <= 122) decryptedoutput += String.fromCharCode((encryptedchar - 97 - shiftamt) % 26 + 97);
else decryptedoutput += cipherinput.charAt(z);
}
document.getElementById("outputinfo").value = decryptedoutput;
}
function formReset() {
document.getElementById("cryptoform").reset();
}
html Code: <script type="text/javascript" src="/crypto/caesar.js"></script>
<form name="cryptoform" id="cryptoform">
<div id="inputside">
Input:<br /><br />
<textarea rows="30" cols="50" name="inputinfo" id="inputinfo"></textarea><br /><br />
Shift amount for encryption or decryption:
<select name="shiftamt" id="shiftamt" size="1">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
<option value="6">6</option>
<option value="7">7</option>
<option value="8">8</option>
<option value="9">9</option>
<option value="10">10</option>
<option value="11">11</option>
<option value="12">12</option>
<option selected="selected" value="13">13</option>
<option value="14">14</option>
<option value="15">15</option>
<option value="16">16</option>
<option value="17">17</option>
<option value="18">18</option>
<option value="19">19</option>
<option value="20">20</option>
<option value="21">21</option>
<option value="22">22</option>
<option value="23">23</option>
<option value="24">24</option>
<option value="25">25</option>
</select>
<br /><br />
<input type="button" value="Apply Shift" onClick="encrypt()" />
<input type="button" value="Reverse Shift" onClick="decrypt()" /><br /><br />
</div>
<div id="outputside">
Output:<br /><br />
<textarea rows="30" cols="50" name="outputinfo" id="outputinfo" readonly="readonly"></textarea><br /><br /><br /><br /><br /><br />
</div>
<div id="buttonarea">
<input type="button" value="Clear Fields" onClick="formReset(); return false;" />
</div>
</form>
I intend for the code to implement a simple caesar shift by the selected value. For example, with a shift of 1, a = b, b = c, c = d, etc. The problem I am having is that the letter A converts as it should but the other letters do not. For instance, applying a shift of 1, B is converted to L instead of C, C is converted to V instead of D. With a shift of 13, ABC produces NJF. Again, A is correct but the others are wrong, but by a different degree this time. Also, my reverse shift (decrypt) function does not work. If I remove the .value codes from the encrypt function then the decrypt function works. I am guessing there is a problem manipulating the same form components with different functions. It seems that the charCodeAt() values are being produced correctly, checking them by outputing them. If anyone has any ideas let me know. I have been working on projects like this just for fun in an attempt to improve upon my js knowledge/ability. I want to have another go at Javascript. I have several books on the subject but I find that my eyesight is a major problem. Therefore I want to try an on-line solution, preferably free. I have Googled, but there are so many that I am almost dizzy with the choices. Perhaps someone could recommend one. Not too fussy visually. My knowledge is VERY basic. Frank Hello! I am trying to find a script that allows you to open multiple browser tabs and then close each of those tabs, either one by one or all at once. Does anyone know how to do this please? Thanks so much for your help. Does anyone know how to make URL links that use Javascript still work when users have Javascript disabled on their browser? The only reason I'm using JS on a URL is because my link opens a PDF file, and I'm forcing it not to cache so users have the latest version. I tried the <script><noscript> tags, but I'm not sure if I'm using it correctly, as my URL completely disappears. Below is my HTML/Javascript code: <p class="download"> <script type="text/javascript">document.write("<span style=\"text-decoration: underline;\"><a href=\"javascript:void(0);\" onclick=\"window.open( 'http://www.webchild.com.au/mediakit/Direct_Media_Kit_Web.pdf?nocache='+ Math.floor( Math.random()*11 ) );\" >The Child Magazines Media Kit</a></span> (PDF 1 MB) ");</script> <noscript><span style="text-decoration: underline;"><a href="http://www.webchild.com.au/mediakit/Direct_Media_Kit_Web.pdf" >The Child Magazines Media Kit</a></span> (PDF 1 MB)</noscript> </p> Thanks for any help, Michael Hi Guys, I am new at JavaScript and start to do some tutorials.What I am trying to do here is prompting user to input a name and if the name was valid the page(document) will display with all objects like the button.But if user enter a wrong name then the button will be disabled! I create the following code but it did not work <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>New Web Project</title> <script language="JavaScript" type=""> function changeColor(){ document.bgColor = "Gray"; } </script> </head> <body> <script language="JavaScript" type="text/javascript"> var person = ""; person = prompt('What is Your Name:'); if (person == "Foo") { document.write("<h1 />Welcome " + person); document.bgColor = "Yellow"; } else { document.write("<h1 />Access Denied!!!!"); document.bgColor = "Red"; document.getElementById("gree").disabled = true; } </script> <div> <p/><input id="gree" type="button" value="Gray " onClick="changeColor();"> </div> </body> </html> as you can see I used the: document.getElementById("gree").disabled = true; but it did not work , could you please give an idea how I can solve this problem? Thanks Hi, I have the following code snippet: test.html ====== <script language="javascript" type="text/javascript"> var testVariable = "test"; </script> <script language="javascript" type="text/javascript" src="test.js"> </script> test.js ===== var testVariable = window.top.testVariable; In firefox, I'm able to access testvariable defined within test.html in test.js. But in chrome, test.js couldnot get the window.top.testVariable field defined in test.html. Can any one please let me know how i can make it work in chrome?. Am i missing something here?. Hey, I've got to make the values of some textboxes change the co-ordinates of my sprite on a canvas and havent a clue on how to do it, Here is my form with the two textboxes and submit button: <form> x: <input type="text" name="x" /><br /> y: <input type="text" name:"y" /><br /> <input type="submit" value="Submit"/><br /> </form> And i need it so that they change the values of these: //this shows where my sprite will start on the canvas var block_x; var block_y; searched the internet for hours and cant really find anything i understand or works. any help is much appreciated I want to insert this js snippet Code: function addText(smiley) {
document.getElementById('message').value += " " + smiley + " ";
document.getElementById('message').focus();
return false;
}
to a loaded iframe with name&id chtifrm. I can access it & change embed something in its html via using something like: Code: $(parent.chtifrm.document.body).append('<div id=\"smly\" style=\"cursor:pointer;float:left;top:200px;display:none;position:absolute;\"><\/div>');
.... Code: parent.chtifrm.document.getElementById('chatbox_option_disco').style.display == 'none'
but how do I insert js in the head of loaded iframe? I got an index.php Code:
<html>
<form action="bacakomik.php" method='post'>
<select name="kodekomik">
<option value='../komik1/|23'>Judul Komik1</option>
<option value="../komik2/|20">Judul Komik2</option>
<option value="../komik3/|10">Juduk Komik3</option>
<option value="../komik4/|20">Judul Komik4</option>
</select>
<input type="submit" />
</form>
<?php
echo ('<select>');
echo ('<option value= "'.$i.'">'.'Page '.$i.'</option>');
echo ('</select>');
?>
</html>
As you can see, each of the option brings specific value "../komik1/|23" komik1 is a directory | is a delimiter 23 is the pages in one chapter and can be considered also as how many images are there on a specific directory This is my bacakomik.php Code: <?php
$dirkomik = $_POST['kodekomik'];
$exploded = explode("|", $dirkomik);
echo ($exploded[0]); //picture directory
echo ("<br>");
echo ($exploded[1]); //total page in the comic
$pagecount = (int)$exploded[1];
//Take last posted value, process it right away
echo ('<FORM name="guideform"> ');
echo ('<select name="guidelinks">');
$i=1;
do {
echo ('<option value= "'.$i.'">'.'Page '.$i.'</option>');
$i= $i+1;
}while($i <= $pagecount); //Printing option and select
echo ("</select>");
?>
<input type="button" name="go" value="Go!" onClick="document.getElementById('im').src=document.guideform.guidelinks.options[document.guideform.guidelinks.selectedIndex].value+'.png';"> </FORM>
<img src="img0.jpg" id="im">
With the current code on bacakomik.php, I only can change the img src of id "im" in the same directory only. What I want is that the Javascript could "add" the "$exploded[0]" variable so that the picture can be loaded from different directory. Anyone can do this? I believe that the fix should be somewhere on input tag inside OnClick, or do you know where? Anyway, I found this on the net http://p2p.wrox.com/php-faqs/11606-q...avascript.html Please help me to those who can... Hi Guys I am trying to modify the functionality of my page. I want to be able to activate this piece of code using another javascript function. This is the code I want to activate: Code: <script type="text/javascript"><!--
$('#button-cart').bind('click', function() {
$.ajax({
url: 'index.php?route=checkout/cart/update',
type: 'post',
data: $('.product-info input[type=\'text\'], .product-info input[type=\'hidden\'], .product-info input[type=\'radio\']:checked, .product-info input[type=\'checkbox\']:checked, .product-info select, .product-info textarea, .date_data input[type=\'text\']'),
dataType: 'json',
success: function(json) {
$('.success, .warning, .attention, information, .error').remove();
if (json['error']) {
if (json['error']['warning']) {
$('#notification').html('<div class="warning" style="display: none;">' + json['error']['warning'] + '<img src="catalog/view/theme/default/image/close.png" alt="" class="close" /></div>');
$('.warning').fadeIn('slow');
}
for (i in json['error']) {
$('#option-' + i).after('<span class="error">' + json['error'][i] + '</span>');
}
}
if (json['success']) {
$('#notification').html('<div class="success" style="display: none;">' + json['success'] + '<img src="catalog/view/theme/default/image/close.png" alt="" class="close" /></div>');
$('.success').fadeIn('slow');
$('#cart_total').html(json['total']);
$('html, body').animate({ scrollTop: 0 }, 'slow');
}
}
});
});
//--></script>
And this is how I want the format of the function to be: function testsession() { if there is a session called 'hiredate' { activate the script above } else { var el = document.getElementById("product_data"); } } I just dont know how to write this in javascript Could you help me if possible please All -- I have a JavaScript config file called gameSetting.js which contains a bunch of variables which configures a particular game. I also have a shared JavaScript library which uses the variables in gameSetting.js, which I include like so: <script type="text/javascript" src="gameSetting.js" ></script> <script type="text/javascript" src="gameLibrary.js" ></script> In gameSetting.js I have: $(document).ready(function() { // call some functions / classes in gameLibrary.js } in Firefox, Safari, and Chrome, this works fine. However, in IE, when it's parsing gameSetting.js, it complains that the functions that live in gameLibrary.js aren't defined. When it gets to parsing gameLibrary.js, the variables in gameSetting.js are reported as not being defined. I've tried dynamically bootstrapping the gameLibrary file using this function in document.ready for dynamic load... $.getScript("gameLibrary.js"); However, the same problem still happens in IE, where when it parses the files individually it's not taking into context the file/variables that came before, so it's not an out of load order problem. My options a 1) collapsing all the functions in gameLibrary.js and variables in gameSetting.js into one file. However, this is not practical because this is dealing with literally hundreds of games, and having a gameLibrary.js in ONE location for ONE update is what makes most logical sense. 2) figure out a way to get this to work where variables in file1 are accessible to file2 in IE (as it seems they are in other browsers). jQuery seems to be able to have multiple plugins that all refer to the based jQuery-1.3.2.js, so I know there is a way to get this to work. Help appreciated. Nero I wrote a log function that took note of various function calls. Thinking that functions are first class objects, and objects have properties, I made the name of each logged function a property of that function, e.g., brightenInnerPara.name = "brightenInnerPara"; Every browser I tried (Firefox, MSIE, Opera, Chrome, Safari) accepted the assignment, no problem. In Firefox and MSIE, the result was what I wanted: brightenInnerPara.name == "brightenInnerPara" But in the others, the result was: brightenInnerPara.name == null Question 1. Which Javascript is correct here? I favor Firefox and MSIE, not merely because they were willing to give me what I wanted, but also because it makes no sense to accept an assignment statement without throwing an error and then give it a null semantics, like Chrome, Opera, and Safari did. I found a workaround, using assignments like this: brightenInnerPara.prototype.name = "brightenInnerPara"; To my surprise, that worked in every browser. But I don't know why. It seems that such assignments are enough to cause each function to have its own distinct prototype. Question 2. Just how inefficient is my workaround, and why does it work? am using google.load("jquery", "1.6.2"); in my grower.js file. The following error is showing in IE8 'google is undefined' but its working fine in FF. please any one help me to how to overcome this error.
I'm new and am not sure if this is the right section but this was my assignment for my intro to programming class. I was absent the day of the lesson and didn't understand much, so this is what I have. jsfiddle I don't know how to put more than one phrase in the alert box, how to keep a running total of the numbers entered & I can't seem to get a counter to work on the second button. Please and Thank you for any help. user pastes 32 characters into the first split textbox, the method will place 8 characters into each of the 4 textboxes i have 4 text box ... max length (8) bro i want this in textbox <input type = "text" size = "8" maxlength="32" name = "LicenseNumber1" id="LicenseNumber1"> <input type = "text" size = "8" maxlength="32" name = "LicenseNumber2" id="LicenseNumber2"> <input type = "text" size = "8" maxlength="32" name = "LicenseNumber3" id="LicenseNumber3"> <input type = "text" size = "8" maxlength="32" name = "LicenseNumber4" id="LicenseNumber4"> & my license is 32 characters like 06e1823681f48e2f013904403b33ff08 now if i paste the whole 32 character in my first test box i.e. LicenseNumber1 then i want other three textbox wil be automatic fill bcause(8*4=32) Hi guy's Not sure if what i want to do is possible, i am a very basic computer user and any help would be great. i have a relay that is conect to my router and if i type the following into the address bar it turns it on for 2 seconds. "http://192.168.1.68/state.xml?relayState=2" What i would love to do is be able to add a book mark which once selected it fires off the above string and closes the window without a prompt, is this possible??? i have spent hours and hours and seem to be going nowhere. Thanks for all your help Daniel I have a calendar I made myself. What I want is to open it in a new window, each date is a link, when clicked the date is returned to the original page. How do I do that?? I have searched and found that it is not to hard to make the calendar to open in a new window, but how do I fix the date to be passed along on click?? Yeah, forgot to say I want the date to be returned to a form field... can anybody help me with java script on my website http://wejustcan.com in The Design Contest Section I need help to make a Browse File othen i need a submit button to submit the design name and email to my email
Hello I am trying to validate a web form. Someone else wrote the Html code and implemented it with an iframe using asp and php. I didn't want to mess too much with the code so I decided to use javascript to make the form validate, before it was sending email alerts with every field blank. For the most part the validation works but it skips the email field for some reasons and is really bugging me to death. I hope that there is someone that is more experienced in javascript than me to help me find the bug. this is the code: <head> <link type="text/css" rel="stylesheet" href="CSS/style.css"/> <title>Bid Form</title> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <script src="gen_validatorv4.js" type="text/javascript"></script> <script type="text/javascript"> function docload() { var frmvalidator = new Validator("bidrequest"); if(frmvalidator.addValidation) { frmvalidator.addValidation("CompanyName","req","Please enter the company Name"); frmvalidator.addValidation("CompanyName","maxlen=50","Max length for company name is 50 characters"); frmvalidator.addValidation("Contact","req","Please enter the contact name"); frmvalidator.addValidation("Contact","maxlen=30","Max length for contact name is 30 characters"); frmvalidator.addValidation("email","req","Please insert your E-mail"); frmvalidator.addValidation("Phone","req","Enter the phone number please"); frmvalidator.addValidation("Phone","maxlen=30","Max lenght is 30"); frmvalidator.addValidation("Phone","numeric","Only numbers please"); frmvalidator.addValidation("Fax","numeric","req","Enter the phone number please"); frmvalidator.addValidation("Address1","req","maxlen=100","Enter the address please"); frmvalidator.addValidation("Address2","maxlen=100"); frmvalidator.addValidation("Country","dontselect=000"); frmvalidator.addValidation("State","dontselect=000"); frmvalidator.addValidation("City","alpha","req","Please insert your City"); frmvalidator.addValidation("Zip","req","numeric"); frmvalidator.addValidation("SourceLanguage","req","Please insert the Source Language"); frmvalidator.addValidation("TargetLanguage","req","Please insert the Target Language"); /*var chktestValidator = new Validator("bidrequest"); chktestValidator.EnableOnPageErrorDisplaySingleBox(); chktestValidator.EnableMsgsTogether(); chktestValidator.addValidation("NewProject","selectradio","Is this a new project? Plese select the one'"); chktestValidator.addValidation("Revision","selectradio","Is this a Revsion? Plese select the one'"); chktestValidator.addValidation("Glossary","selectradio","Any Glossary Development? Please select one'");*/ } } </script> </head> I found the gen_validatorv4.js file online. One more thing, if I un-commnet the radio buttons validations the whole validation stop working...weird. I appreciate any help. Best, Manu Hi there, I am trying to make a Google Map that has markers on it which when clicked display a users latest tweet. I have used the code found here to generate the latest tweet for a single user. But as this map will have multiple points of user submitted data I need something that can display multiple user tweets. So far, the user clicks on the map and enters their details, their name should be their twitter username. The data is saved to an xml file. At the moment the code is set up so that when you click on a marker it just displays your username and address. But I want to somehow include the PHP to show the users latest tweet. Here is the Javascript: Code: function readData() {
var request = GXmlHttp.create();
request.open("GET", "http://mydomainname.com/test/phpsqlinfo_result.php", true);
request.onreadystatechange = function() {
if (request.readyState == 4) {
var xmlDoc = GXml.parse(request.responseText);
// obtain the array of markers and loop through it
i=[0];
markers=[0];
map.getInfoWindow().hide();
gmarkers = [];
map.clearOverlays();
side_bar_html = "";
var markers = xmlDoc.documentElement.getElementsByTagName("marker");
for (var i = 0; i < markers.length; i++) {
// obtain the attribues of each marker
var lat = parseFloat(markers[i].getAttribute("lat"));
var lng = parseFloat(markers[i].getAttribute("lng"));
var point = new GLatLng(lat,lng);
var label = markers[i].getAttribute("name");
var address = markers[i].getAttribute("address");
var type = markers[i].getAttribute("type");
var html = label + '<br />' + address + '<br />' + type;
// create the marker
var marker = createMarker(point,label,html);
map.addOverlay(marker);
}
// put the assembled side_bar_html contents into the side_bar div
document.getElementById("side_bar").innerHTML = side_bar_html;
}
}
request.send(null);
}
readData();
And here is the PHP: Code: <?php
function getTwitterStatus($userid){
$url = "http://twitter.com/statuses/user_timeline/$userid.xml?count=1";
$xml = simplexml_load_file($url) or die("could not connect");
foreach($xml->status as $status){
$text = $status->text;
}
echo $text;
}
//insert user id where it says userid
getTwitterStatus(userid);
?>
In the Javascript is there a way to include the PHP code, and in the PHP is there a way to include the variable "label" (which is declared in the javascript" where it says user id in "getTwitterStatus(userid)? I'm quite new to all this, so any help would be really appreciated! |
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