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String.IndexOf Example

Description: Illustrates the JavaScript syntax for the String IndexOf .

Syntax: string.indexOf(searchstring, start) – Returns the position of the first found occurrence of a specified value in a string – start is optional.

String.IndexOf Example Code:

< !DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>IdealProgrammer.com: String.IndexOf Method</title>
    <!-- 
    ***************************************************
    * This example is from http://idealprogrammer.com *
    ***************************************************
    -->
    <script type="text/javascript" >
        //    indexOf() 	Returns the position of the first found occurrence of a specified value in a string
        //                  SYNTAX: string.indexOf(searchstring, start) - start is optional
        var strIndexOf = "Einstein was a philosophical realist";
        document.write("strIndexOf.indexOf(ein): " + strIndexOf.indexOf("ein") + "<br />");
        document.write("strIndexOf.indexOf(philo): " + strIndexOf.indexOf("philo") + "<br />");
        document.write("strIndexOf.indexOf(real): " + strIndexOf.indexOf("real") + "<br />");
 
 
</script>
</head>
<body>
 
</body>
</html>