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Window clearInterval()

Syntax window.clearInterval(interval) The clearInterval() method clears the interval passed to the method. The interval has to be previously defined using the setInterval() method. <html>     <head>       <title>Using window.clearInterval()</title>     <script language="JavaScript1.2">     <!--     var counter = 1;     function startCounter(){       document.myForm.myText.value = counter++;     }     function stopCounter(){       window.clearInterval(myInterval);     }     var myInterval = window.setInterval("startCounter()", 1000)     -->     </script>     </head>     <body onLoad="startCounter()">     <form name="myForm">       <input type=TEXT size=20 value="" name="myText">       <input type=BUTTON value="Clear Interval" onClick="stopCounter()">     </form>     </body>     </html>