enable disable function

<html>
<head>
<title>My test function enabler</title>
<script type="text/javascript">
var Enabled=true;
function RunMyFunction()
{
if(Enabled == true)
{
alert("This function is enabled");
}else
{
alert("This function is disabled");
}
}
</script>
</head>
<body>
<input type="button" value="Enable my function" onclick="Enabled=true;RunMyFunction();">
<input type="button" value="Disable my function" onclick="Enabled=false;RunMyFunction();">
</body>
</html>

hasilnya

My test function enabler

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