clearInterval - Problem

emerson

To all,

I posted this question in svg group twice already - and got no answer.

Q: why does the animation not stop when a height of 10 is reached ?

<?xml version="1.0"?>
<svg width="1280" height="800">
<script type="text/javascript">

<![CDATA[

var height = 0;
var timer1;

function startAction()
{
timer1 = setInterval("doIpl()",500 )
}

function doIpl()
{
obj = svgDocument.getElementById( "rect11" );
obj.setAttribute("height", height);
height = height + 1

if ( height == 10 )
{
stop();
}

}

function stop()
{
clearInterval(timer1);
alert(height);
}

]]>
</script>

<g>

<rect id="rect12" x="190" y="55" width="100" height="65"
fill="lightgrey"
stroke-width="1" stroke="black" />
<text x="200" y="70" font-size="12">SAG_BCPII</text>

<rect id="rect11" x="190" y="55" width="100" height="65" fill="pink"
stroke-width="1" stroke="black" />
<text x="200" y="70" font-size="12">SAG_BCPII</text>

<rect onclick="startAction()" x="100" y="450" width="10" height="10"
fill="pink" stroke-width="1" stroke="black" />
<text x="110" y="475" text-anchor="middle">Start</text>

<rect onclick="stop()" x="65" y="450" width="10" height="10"
fill="pink" stroke-width="1" stroke="black" />
<text x="65" y="475" text-anchor="middle">Stop</text>

</g>
</svg>

Jul 23 '05 #1

Subscribe Post Reply

2010

mscir

emerson wrote:

<?xml version="1.0"?>
<svg width="1280" height="800">
<script type="text/javascript">
<![CDATA[
var height = 0;
var timer1;
function startAction() {
timer1 = setInterval("doIpl()",500 )
}
function doIpl() {
obj = svgDocument.getElementById( "rect11" );
obj.setAttribute("height", height);
height = height + 1
if ( height == 10 ) {
stop();
}
}
function stop() {
clearInterval(timer1);
alert(height);
}
]]>
</script>
<g> <snip> </g>
</svg>

Does your animation run at all?
Does it continue to run after height has exceeded 10?
If it does run, what happens when you click stop?
Post details.

The code below worked for me in IE6. I modified it to set the width of a
textbox in html because I don't know xml or svg.

I added a line setting newheight to 0 each time you start the code in
case you want to run it more than once.

I don't think it's wise to name variables the same as properties so I
renamed "height" to "newheight".

I used document.getElementById, window.setInterval, window.clearInterval.

Does this code work correctly for you in IE6? If so, maybe make the
changes I mentioned above and see if that makes any differrence.

<html>
<head>
<script type="text/javascript">
var newheight;
var timer1;
function startAction(){
newheight = 0;
timer1 = window.setInterval("doIpl()",500);
}
function doIpl(){
myobj = document.getElementById("rect11");
//obj.setAttribute("height", height);
myobj.width=newheight*11;
newheight += 1;
if ( newheight == 10 )
stop();
}
function stop(){
window.clearInterval(timer1);
alert('now in function stop(), newheight = '+newheight);
}
</script>
</head>
<body>
<input type="text" id="rect12" name="rect12"> rect12
<p>
<input type="text" id="rect11" name="rect11"> rect11
<p>
<input type="button" onclick="startAction()" value="Start">
<p>
<input type="button" onclick="stop()" value="Stop">
</body>
</html>

Good Luck,
Mike

Jul 23 '05 #2

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