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JavaScript - Trouble With Variables
All,
I have the following code: Code: var http_request = false;
function makePOSTRequest(url, parameters) {
alert(parameters);
http_request = false;
if (window.XMLHttpRequest) { // Mozilla, Safari,...
http_request = new XMLHttpRequest();
if (http_request.overrideMimeType) {
// set type accordingly to anticipated content type
//http_request.overrideMimeType('text/xml');
http_request.overrideMimeType('text/html');
}
} else if (window.ActiveXObject) { // IE
try {
http_request = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
http_request = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) {}
}
}
if (!http_request) {
alert('Cannot create XMLHTTP instance');
return false;
}
http_request.onreadystatechange = alertContents;
http_request.open('POST', url, true);
http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
http_request.setRequestHeader("Content-length", parameters.length);
http_request.setRequestHeader("Connection", "close");
http_request.send(parameters);
}
function alertContents() {
if (http_request.readyState == 4) {
if (http_request.status == 200) {
result = http_request.responseText;
document.getElementById('myspan').innerHTML = result;
} else {
alert('There was a problem with the request.');
}
}
}
function getjob(obj) {
var poststr = "job_id=" + encodeURI( obj );
makePOSTRequest('getnextjob.php', poststr);
}
I call the getjob but doing the following: echo "<li><a href=\"#\" onclick=\"javascript:getjob($resultsetjob[job_id]); return false;\">$resultsetjob[name]</a></li>"; It's weird, only sometimes does it pass the variable and other times it doesn't. Is there a better way to do this?? Thanks in advance. Similar TutorialsI'm using a loop to get the attributes of a series of <a> tags in an xml. Here's the code: Code: function getAttributes(){
for(var i=0;i <= totalSteps;i++){
whichLink = xmlDoc.getElementsByTagName("xml")[0].getElementsByTagName("a")[i].attributes.getNamedItem("href").value.split("?");
alert(whichLink);
if(whichLink[1]=="correctLink"){
alert("correctLink detected");
myMessage += whichLink[0];
}
}
displayMessage();
}
When I run the function, I get a "Object required" error for the getElementsByTagName("a")[i] line, and displayMessage() won't fire. The weird thing is, the alert(whichLink); and alert("correctLink detected"); commands both work correctly, and when I replace the i variable with a digit, like 1 , everything works smoothly (save for the fact that it only returns one of the urls I'm looking for). So something odd is going on with my loop variable, but I'm at a loss as to what. Anyone have any ideas? Appreciated as always, ~gyz I have the following code: ... var numberoffiles = array(); for (i = 1; $i <= totalNumberOfFiles; i++) { numberoffiles[i] = i; } ... I get an error saying that numberoffiles is undeclared or something What am I doing wrong? Do I need to declare it a global variable or something?? ALSO, why can't I do this: numberoffiles[] = i; I've seen code snippets that assign to the end of an array like this (Or maybe my problem is the scope of the variable??) Thanks OM I have a form that does not validate when in a modal. Here is the page: http://www.varsitytrainers.com/purchase1.html It works well. It does not work when viewed on this page: http://www.varsitytrainers.com/bosto...ltrainers.html - Then click "Apply Now" and then click "Featured Membership" then click "Submit" You will see that the validation does not take place. I have been banging my head against the desk for days now. Please help. OK i really hope someone can help me because this has put a complete halt to what I'm doing right now. i have various images in a 12x12 grid with names such as x1y1, x2y2, ect I need to check what x1y1's image SRC is. I have been trying stuff like this: var xpos = 1 var ypos = 1 var IMAGENAME = "x" + xpos + "y" + ypos blah = ('document.' + IMAGENAME + '.src') if (blah == "something.gif") { do what i want } Just doesn't work, nor has the 80 other things I've tried lol. Can anyone help me out? I've got a problem at the bottom where the "ignore case" bit is, I simply need the code to loop whether the user types a uppercase "Y" or a lowercase "y". The error I am getting right now is that it doesn't loop whether i type a lowercase or uppercase "Y". Code: console.log("Calculator program");
console.log(" ");
console.log("1. Add numbers");
console.log("2. Subtract numbers");
console.log("3. Multiply numbers");
console.log("4. Divide numbers");
do
{
var option = prompt("What operate do you want to choose? ");
var first = prompt("Enter your first number: ");
var second = prompt("Enter your second number: ");
if (option == 1)
{
var total1 = (first+second);
console.log("The total is "+total1);
}
else if (option == 2)
{
var total2 = (first-second);
console.log("The total is "+total2);
}
else if (option == 3)
{
var total3 = (first*second);
console.log("The total is "+total3);
}
else if (option == 4)
{
var total4 = (first/second);
console.log("The total is "+total4);
}
var retry = prompt("Another calculation?");
var yes = "y".ignoreCase;
} while (retry == yes);
Reply With Quote 01-08-2015, 08:11 PM #2 Philip M View Profile View Forum Posts Supreme Master coder! Join Date Jun 2002 Location London, England Posts 18,371 Thanks 204 Thanked 2,573 Times in 2,551 Posts while ((retry == "y") || (retry == "Y")) Be aware that prompts and alerts are considered to be long obsolete. You should use DOM methods to obtain input from and display messages to your users. If you do use prompts get rid of the ugly 'undefined'. Quizmaster: Which word for a spring or town with thermal or mineral waters used for drinking or bathing takes its name from a town in Belgium which is famed for its supposedly curative waters? Contestant: Volvic Hi This part of the script should ask the user which type of shape they'd like to calculate the area of, then convert whatever they enter to uppercase so that the test condition can be eventually falsified when the user enters 'c, C, s, S, r or R'. I've consulted the w3 school, and as far as I can tell I'm formatting it correctly. I think the problem may be in the syntax of the test condition. Code: while (shapeType != 'C' || shapeType != 'S' || shapeType != 'R')
{
shapeType = prompt("Which type of Shape would you like to find the area of?" + '\n' + "For a circle, enter C" + '\n' + "For a square, enter S" + '\n' + " For a rectangle, enter R");
shapeType = shapeType.toUpperCase();
}
However, firebug reports that 'shapeType is null'. How can this be? I've declared shapeType in the head as a global variable. Any ideas? Jenny I am not great at using JavaScript but I am working on it. I really need help with my script. I can't seem to find out why my images won't load correctly. I am trying to get a 2 part radio button selection to show different pictures for every combination of colors you can choose. So if I was to pick black and black a black_black.jpg picture will pop up and black_white.jpg will pop up for a black and white selection. Please if anybody can help I could really use it right now. Thanks! Code: <html>
<body>
<form name = "myform">
<img id = "myImage" src = "MyDefaultImage.jpg">
<br><br>
Barrels: -------- Inserts:<br>
Black <input type = "radio" name = "col1" value = "black" onclick = "showImage();"> Black <input type = "radio" name = "col2" value = "black" onclick = "showImage();"><br>
White <input type = "radio" name = "col1" value = "white" onclick = "showImage();"> White <input type = "radio" name = "col2" value = "white" onclick = "showImage();"><br>
Orange <input type = "radio" name = "col1" value = "orange" onclick = "showImage();"> Orange <input type = "radio" name = "col2" value = "orange" onclick = "showImage();"><br>
Red <input type = "radio" name = "col1" value = "red" onclick = "showImage();"> Red <input type = "radio" name = "col2" value = "red" onclick = "showImage();"><br>
</form>
<br>
<br>
<script type = "text/javascript">
function showImage() {
var A = 0;
var B = 0;
for (var i=0; i <document.myform.col1.length; i++) {
if (document.myform.col1[i].checked) {
A = document.myform.col1[i].value;
}
}
for (var u=0; u <document.myform.col2.length; u++) {
if (document.myform.col2[u].checked) {
B = document.myform.col2[u].value;
}
}
var x = A + "_" + B;
if (x>0) {
var picture = x + ".jpg";
document.getElementById("myImage").src = picture;
}
}
</script>
</body>
</html>
Hi, the cookies I am trying to read are values from a form that were stored. The problem I am having is that one value form the form, the value is 5000, was stored as a cookie but I cannot read it. When I display it, it returns: [object HTMLInputElement]. The code for storing the value is this: Code: document.cookie = "bankRoll=" + encodeURIComponent(money) + "; expires=" + expireDate.toUTCString(); , where money = 5000. The code for reading the cookies is this: Code: var cookies = decodeURIComponent(document.cookie);
var cookieNumber = new Array(10);
cookieNumber = cookies.split("; ");
for(var i = 0; i < cookieNumber.length; ++i)
{
var equalPos1 = cookieNumber[i].search("=");
if (cookieNumber[i].substring(0, equalPos1) == "firstName")
firstName = cookieNumber[i].substring(equalPos1 + 1);
if (cookieNumber[i].substring(0, equalPos1) == "lastName")
lastName = cookieNumber[i].substring(equalPos1 + 1);
if (cookieNumber[i].substring(0, equalPos1) == "pCode")
pCode = cookieNumber[i].substring(equalPos1 + 1);
if (cookieNumber[i].substring(0, equalPos1) == "bankRoll")
bankRoll = cookieNumber[i].substring(equalPos1 + 1);
if (cookieNumber[i].substring(0, equalPos1) == "lastVisit")
lastVisit = cookieNumber[i].substring(equalPos1 + 1);
}
The only one that does not display properly is the variable bankroll. All the others return the proper value. I would like to know how to fix my code so that the value 5000 is displayed. Hey, I'm trying to make some information from a database convert to JS Code: <?php
include ("Scripts/connection.php");
$qry1 = "SELECT * FROM news";
$result1 = mysql_query($qry1);
?>
<script type="text/javascript">
var pausecontent=new Array()
<?php
while($news = mysql_fetch_array($result1))
{
echo 'pausecontent[0]="<a href=\"news.php#'.$news['id'].'\">'.$news['news'].'</a><br />'.$news['news'].'!";';
}
?></script>
however I just see undefined... any ideas? Someone tell me where I'm going wrong. I'm trying to print out the month/year ? Code: <html><head>
<SCRIPT language=JavaScript>
var dateNow = new Date();
var monthNow = dateNow.getMonth();
var yearNow = dateNow.getYear();
function MakeArray(n) {
this.length = n
return this
}
monthNames = new MakeArray(12)
monthNames[1] = "Janurary"
monthNames[2] = "February"
monthNames[3] = "March"
monthNames[4] = "April"
monthNames[5] = "May"
monthNames[6] = "June"
monthNames[7] = "July"
monthNames[8] = "August"
monthNames[9] = "Sept."
monthNames[10] = "Oct."
monthNames[11] = "Nov."
monthNames[12] = "Dec."
function customDate(oneDate) {
var theMonth = monthNames[oneDate.getMonth() +1]
}
</SCRIPT>
</head><body><script type="text/javascript">
document.write(theMonth + "/" + yearNow);
</script>
</body></html>
I am working on converting something and this is what I have come up with: http://www.msnsportsnet.com/content/ravenstest.htm The width of the original file was 845 px, I needed to change it to 235 px though. As I have knocked the size down of everything, I noticed the arrows are now not working correctly. The arrow only goes to the right once and to the left once, I need to it to go to the right and left multiple times. Here is the javascript file that I have been working with: Code: // gameday scroller
function scrollGameday(dir) {
var cssDir= (dir<0) ? 'right':'left';
var scrollWidth = 235;
var scrollSpeed = 235;
var scrollWrapLeft = parseInt($("#gameScroller").css("left"));
if(okScroll == false) {
return;
}
if(cssDir == "left") {
if($("#arrowRight").hasClass("disable"))
$("#arrowRight").removeClass('disable');
if(currentPane <= 1) {
return;
} else {
scrollWrapLeft = (scrollWrapLeft + (dir * scrollWidth));
okScroll = false;
$("#gameScroller").animate({left: scrollWrapLeft+"px"}, scrollSpeed, function() {
okScroll = true;
});
currentPane = currentPane-dir;
if(currentPane <= 1) {
if(!$("#arrowLeft").hasClass("disable"))
$("#arrowLeft").addClass('disable');
}
}
}
if(cssDir == "right") {
if($("#arrowLeft").hasClass("disable"))
$("#arrowLeft").removeClass('disable');
if(currentPane >= paneCount) {
if(!$("#arrowRight").hasClass("disable"))
$("#arrowRight").addClass('disable');
return;
} else {
scrollWrapLeft = (scrollWrapLeft + (dir * scrollWidth));
okScroll = false;
$("#gameScroller").animate({left: scrollWrapLeft+"px"}, scrollSpeed, function() {
okScroll = true;
});
currentPane = currentPane-dir;
if(currentPane >= paneCount) {
if(!$("#arrowRight").hasClass("disable"))
$("#arrowRight").addClass('disable');
}
}
}
checkCurrentPane(currentPane);
}
function checkCurrentPane(currentPane) {
alert('check');
if(currentPane == 1) {
if(!$("#arrowLeft").hasClass("disable"))
$("#arrowLeft").addClass('disable');
} else if(currentPane == paneCount) {
if(!$("#arrowRight").hasClass("disable"))
$("#arrowRight").addClass('disable');
}
}
$("#gameScroller").each(function (i) {
var scrollWidth = 235;
var newLeftPos = (i * scrollWidth)+"px";
$("#gameScroller:eq("+i+")").css("left", newLeftPos);
var items = $('.game');
$('#gameScroller').css('width', items.length * items[0].offsetWidth + 'px');
$("#arrowLeft").click(function() {
scrollGameday(3);
return false;
});
$("#arrowRight").click(function() {
scrollGameday(-2);
return false;
});
});
if("#gameScroller") {
var okScroll = true;
var currentPane = 1;
var paneCount = Math.ceil(($(".game").length) / 10);
if(paneCount <= 1) {
$(".arrow").className = $(".arrow").className + ' disable';
} else if (paneCount > 1) {
$("#arrowLeft").addClass('disable');
}
preScroll();
}
function preScroll() {
var games = $('.game');
for(n=0; n<games.length; n++) {
if(games[n].className.match('active')) {
var currFrame = Math.floor(n/10);
scrollGameday(-currFrame);
}
}
}
This is the CSS file: http://www.msnsportsnet.com/content/ravens.css Thank you very much and any help is much appreciated. I am working on converting something and this is what I have come up with: http://www.msnsportsnet.com/content/ravenstest.htm However, the width of that is 845 px and I wanted it to drop down to 650 px and make the arrows have the same effect as they did with the 845 px. First I moved the 845 to 650 in the css file, then changed the 845 to 650 in the JS files, I have been unable to figure this out though. If someone could please help that would be great! This is the JS file that I tried to edit: http://www.baltimoreravens.com/includes/jsbin/ravens.js This is the css file: http://www.msnsportsnet.com/content/ravens.css Can anyone look at the link below, and tell me why the infoWindow displays the same xml marker node for each marker Thanks Lee http://www.hotels.seotra.com/ Hello, I am researching an issue in a rather big app which displays pdf files in IE window. The issue is that inside javascript code we call 'window.setTimeout( win.focus() ...)' (for the child window), but it doesn't come into focus every time, seems a bit random when it does and does not come into focus. At present I wrote a much smaller app + javascript to reproduce the issue, but it does not manifest in same way. Specifically this is the confusing part: window.setTimeout( function() {win.focus(); win.moveTo( 200 , 200 ); } , 500 , "JavaScript" ); the 'win' does move, but never comes into focus. Any ideas about why the focus function does not accomplish what I'm trying to do? Here's the code of my simplified app + html + javascript: JAVASCRIPT: Code: var win;
function f(s) {
website="http://machine/apache/jsfnu/mytest" + s + ".txt";
if (!win)
win = window.open( website , "thetest" , "toolbar=yes,resizable=yes");
else
{
win.url = website;
}
win.navigate(website);
win.focus();
window.setTimeout( function() {win.focus(); win.moveTo( 200 , 200 ); } , 500 , "JavaScript" );
}
function emitApplet() {
document.write("<APPLET CODE=\"mytest.class\" archive=\"mytest.jar,netscape.jar\" NAME=\"myApplet\" MAYSCRIPT HEIGHT=1000 WIDTH=1000> </APPLET>");
}
function window_onUnload()
{
}
JAVA code: Code: import netscape.javascript.*;
import java.awt.*;
import java.awt.event.*;
public class mytest
extends java.applet.Applet implements ActionListener
{
Button nextButton;
Button prevButton;
int _page=1;
public void init() {
System.err.println("init started");
setLayout(new FlowLayout());
System.err.println("setLayout done");
nextButton = new Button("Next!");
System.err.println("next button created");
prevButton = new Button("Prev!");
System.err.println("prev button created");
add(prevButton);
System.err.println("prev button added");
add(nextButton);
System.err.println("next button added");
nextButton.addActionListener(this);
System.err.println("next button action");
prevButton.addActionListener(this);
System.err.println("prev button created");
}
public void actionPerformed(ActionEvent evt)
{
if (evt.getSource() == nextButton)
{
doButton(++_page);
}
else if (evt.getSource() == prevButton)
{
doButton(--_page);
}
}
public void doButton(int page)
{
JSObject win = JSObject.getWindow(this);
JSObject doc = (JSObject) win.getMember("document");
JSObject loc = (JSObject) doc.getMember("location");
String s = (String) loc.getMember("href");
String []args = new String[1];
args[0] = (new Integer(page)).toString();
win.call("f", args);
}
public void paint (java.awt.Graphics g)
{
g.drawString("Hello, World9!",50,25);
}
}
HTML: Code: <script type="text/javascript" src="StartTest.js"> </script>
<html>
<head>
<title>try</title>
</head>
<body bgcolor="#fdf8ed" text="black" language="Javascript" onload="window_onUnload()">
<center>
<script type="text/javascript">
emitApplet();
</script>
</center>
</body>
</html>
Hi i start of with a some csv data and convert this into an array. The resulting array looks like the following [["Apple", "64"], ["Banana", "20"], ["pear", "12"], ["Orange", "16"]] But i need this to be formatted as below without the quotes around the second value. [["Apple", 64], ["Banana", 20], ["pear", 12], ["Orange", 16]] Im not sure how to achieve this. I guess i need to loop through the array and strip out the quotes but im failing to get this working. Help! Hi all, I have created the following page http://kylehouston.com/new/index_new.html I have used JQuery to add animated load icon followed by my images fading in, the load works fine and the images appear but the problem is the fade in wont work. I have tried a few methods to try and get them to fade including adding spans round my images but the only thing that seems to work for me is setting all divs to fade in which I dont want to happen. Anyone got any advice? Thanks in advance! Kyle http://icant.co.uk/sandbox/countdown.html Hi, I am trying to understand the countdown above but I am having some problems. I am trying to remove some of the fields under preferences, I just want to show "Time in Seconds" and "warning start" and not any of the other fields. When I try to remove something from the script the entire thing just stop working. So my question is simple, how do I hide/remove fields under preferences without breaking the countdown? I am getting an error: "document.getElementById("gender") is null" Any ideas how I can get this to work? Code: <head>
<script type="text/javascript">
var selected = document.getElementById("gender").selectedIndex;
var lname = document.getElementById("lastname");
var boyarray=new Array();
boyarray[0]="Joseph James";
boyarray[1]="Robert Michael";
boyarray[2]="Brian Shawn";
boyarray[3]="Joseph Duke";
var boymax=(boyarray.length - 1);
var boychoose = Math.round(Math.random() * boymax);
var girlarray=new Array();
girlarray[0]="Christine Louise";
girlarray[1]="Cheyenne Lynn";
girlarray[2]="Kelly Anne";
girlarray[3]="Julia Marie";
var girlmax=(girlarray.length - 1);
var girlchoose = Math.round(Math.random() * girlmax);
function randomname()
{
if (selected = "2") {
alert((girlarray[girlchoose]) + lname);
}
else if (selected="1") {
alert((boyarray[boychoose]) + lname);
}
else {
alert("Please select a gender.");
}
}
</script>
</head>
<body>
<form onsubmit="randomname(this);">
Last Name:<input type="text" name="lastname" id="lastname"/>
<br/>
Gender:
<select id="gender">
<option value="0">Please select a gender</option>
<option value="1">Boy</option>
<option value="2">Girl</option>
</select>
<br/>
<input type="submit" id="submit" name="submit" value="Submit"/>
</form>
</body>
Hello, I am trying to move an image down 20px each time the button is clicked, but I can only get it to move down once. I see what I am doing wrong, but I'm not sure how to fix it. I don't know how to store the updated position of the image in a variable. Code: <center>
<input type="button" value="Click" onClick="moveDown()"/>
</center>
<img id="Ball" src="ball.jpg" style="position:absolute; top:100; left:100;"/>
<script language="JavaScript">
var Image = document.getElementById("Ball");
var Position = 100;
function moveDown()
{
Image.style.top = Position + 20
}
</script>
Thanks, Celia i am having trouble with a program for class hoping someone can point me in the right direction i am supposed to use nested for loops to output 2 seperate webpages one with the first pattern below and then another with the second pattern. Thanks for your help [x] [x][x] [x][x][x] [x][x][x][x] [x][x][x][x][x] [x][x][x][x][x][x] [x][x][x][x][x][x][x] [x][x][x][x][x][x][x][x] [x][x][x][x][x][x][x][x][x] [x][x][x][x][x][x][x][x][x][x] [O] [O][O] [O][O][O] [O][O][O][O] [O][O][O][O][O] [O][O][O][O][O][O] [O][O][O][O][O][O][O] [O][O][O][O][O][O][O][O] [O][O][O][O][O][O][O][O][O] [O][O][O][O][O][O][O][O][O][O] ************************** ************************** [O][O][O][O][O][O][O][O][O][O] [O][O][O][O][O][O][O][O][O] [O][O][O][O][O][O][O][O] [O][O][O][O][O][O][O] [O][O][O][O][O][O] [O][O][O][O][O] [O][O][O][O] [O][O][O] [O][O] [O] |
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