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# Javascript String - lastIndexOf() Method

## Description:

This method returns the index within the calling String object of the last occurrence of the specified value, starting the search at fromIndex or -1 if the value is not found.

## Syntax:

    string.lastIndexOf(searchValue[, fromIndex])

Here is the detail of parameters:

- searchValue : A string representing the value to search for.

- fromIndex : The location within the calling string to start the search from. It can be any integer between 0 and the length of the string. The default value is 0.

## Return Value:

Returns the index of the last found occurrence otherwise -1 if not found.

## Example:

    <html>
    <head>
    <title>JavaScript String lastIndexOf() Method</title>
    </head>
    <body>
    <script type="text/javascript">
    var str1 = new String( "This is string one and again string" );
    var index = str1.lastIndexOf( "string" );
    document.write("lastIndexOf found String :" + index );

    document.write("<br />");

    var index = str1.lastIndexOf( "one" );
    document.write("lastIndexOf found String :" + index );

    </script>
    </body>
    </html>

This will produce following result:

    lastIndexOf found String :29
    lastIndexOf found String :15

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

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