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# Prototype Object isString() Method

This method returns true if obj is of type string, false otherwise.

## Syntax:

    Object.isString(obj);

## Return Value :

- Returns true if obj is of type string, false otherwise.

## Example:

    <html>
    <head>
    <title>Prototype examples</title>
    <script type="text/javascript"
       src="/javascript/prototype.js">
    </script>

    <script>

    function showResult(){

       var myString = "This is string";

       alert( "test 1: " + Object.isString("foo") );
       alert( "test 3: " + Object.isString(123) );
       alert( "test 4: " + Object.isString(myString) );
    }

    </script>
    </head>

    <body>

      <p>Click the button to see the result.</p>
      <br />
      <br />
      <input type="button" value="Result" onclick="showResult();"/>

    </body>
    </html>

To understand it in better way you can Try it yourself.

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