JavaScript display variable in alert

JavaScript display variable in alert

How to display variable in alert box? I am using javascript.

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May 16, 2012 at 4:31 PM

<html>
<head>
<script type="text/javascript">
function showAlert() {
    var name = "Roseindia";
    var city = "Delhi";
    alert(name +" is in "+ city);
}
</script>
</head>
<body>
<input type="button" value="Click for Alert" onClick="showAlert();">
</body>
</html>

Description: In JavaScript variable is declared by using var keyword.This variable can hold any type of value as int,string,float etc.alert() is used to generate alert. You can put variable or any statement in alert which you want to display.









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