Javascript Loop

**bhathiya** · 05-15-2009, 09:32 PM

I have make a loop it loops 1 to 10 but it not loop 2 to 10
here is the code
please help

<body>

<script type="text/javascript">

function loop(T1,T2)
{
var i=T1.value;
var j=T2.value;
var x=0;
for (x=T1.value;x<=T2.value;x++)
{
document.write(x);
document.write("<br>");
}
}
</script>

<form>

<label>
<input name="T1" type="text" id="T1" />
</label>
<label>
<input name="T2" type="text" id="T2" />
</label>
<input type="button" value="Click me!" onclick="loop(T1,T2)" />
</form>
</body>
</html>

**JMRKER** · 05-15-2009, 09:49 PM

You cannot use document.write to change a page once it has been loaded.
Doing so, or at least trying, causes the program to reset and start over.

For proof, try this variation:

Code:

<html>
<head>
<title>Test</title>

<script type="text/javascript">
// For: http://www.webdeveloper.com/forum/showthread.php?t=209152

function loop() {
  var i=document.getElementById('T1').value*1;
  var g=document.getElementById('T2').value*1;
  var str = '';
  for (var x=i; x<=g; x++) { str += x+'<br>'; }
  document.getElementById('divStr').innerHTML = str;
}
</script>

<body>
<label> <input name="T1" type="text" id="T1" /> </label>
<label> <input name="T2" type="text" id="T2" /> </label>
<input type="button" value="Click me!" onclick="loop()" />
<div id="divStr"></div>
</body>
</html>

Plus you had some invalid syntax.
Check the error console in FF with you code for some clues.

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