Below is the code that uses substr() function that will return the last three characters from the string. You can change that -3 and 3 parameters according to your need.
First param -3 means start from index 3 from last. And second param 3 means the three characters.
<html><body>
<script type="text/javascript">
var string = "Test String";
string = string.substr(-3, 3);
document.write(string);
</script>
</body></html>
Pretty simple code...
Sunday, September 25, 2011
Find last few characters from a string
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