A Brief Analysis of setTimeout of and clearTimeout of in js

This paper analyzes the usage of setTimeout() and clearTimeout() in js. Share to everybody for everybody reference. The specific analysis is as follows:

The setTimeout() method is used to call a function or evaluate an expression after a specified number of milliseconds.

The clearTimeout() method cancels the timeout set by the setTimeout() method.

<input type = text id = aaa >
<input type = button value = stop id = bb onclick = bb()>
<script>
<!--
var iTime
function aa()
{
 aaa.value += " ! ";
 iTime=setTimeout("aa()",600);
}
function bb()
{
 if (iTime !="")
 clearTimeout(iTime);
}
aa()
-->
</script>

I hope this article has been helpful for your javascript programming.