Output the type information : typeof « Data Type « JavaScript DHTML






  1. JavaScript DHTML
  2. Data Type
  3. typeof

Output the type information

 

<html>
<head>
<title>A Simple Page</title>
<script language="JavaScript">
var x = "Hello", y;
alert("Variable x value is " + typeof(x));
alert("Variable y value is " + typeof(y));
alert("Variable z value is " + typeof(z));
</script>
</head>
<body>

</body>
</html>








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1.Use typeof to check the type for different type variables