25. 2. 10. Object.watch() |
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Syntax |
object.watch(prop, function)
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The watch() method watches for the event in which a property gets assigned a value. |
When the assignment is made, a user defined function is executed. |
The method itself takes the property to watch, prop, and the function to call, func, when the event occurs. |
<html>
<body>
<title>Example of the watch method</title>
<script language="JavaScript">
<!--
function inform(){
document.write("Tmp variable changed from 1 to 3");
}
var tmp = 1;
watch("tmp",inform);
tmp=3;
-->
</script>
</body>
</html>
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