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])
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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>
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This will produce following result:
lastIndexOf found String :29
lastIndexOf found String :15
+JavaScript +JavaScript Frameworks Links +Javascript Development
+JavaScript's and More, Software and Marketing +JavascriptU +JavaScriptOn
+Javascript Problems +JavaScriptOn
+javaScript is a creek in West Virginia in the summe
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