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# Prototype interpolate() Method

This method treats the string as a Template and fills it with object's properties.

## Syntax:

    string.inspect([useDoubleQuotes = false]);

## Return Value:

- Returns an interpolated string.

## Example:

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

    function showResult(){

      var str = "#{animals} on a #{transport}";

      alert(str.interpolate({animals:"Cow",transport:"Train"}));

    }

    </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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