Remove space before and after a string

String

Adds a trim method to the String object prototype, removing the space before and after the string
String.prototype.trim = function ()
{
Use a regular expression to replace the front and back spaces with an empty string.
Return This.replace (/(^\s*) | ( \s*$)/g, "");
}

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Example:

<script>
String.prototype.trim = function ()
{
Use a regular expression to replace the front and back spaces with an empty string.
Return This.replace (/(^\s*) | ( \s*$)/g, "");
}

A string with a space
var s = "Leading and trailing spaces";

Show "leading and trailing spaces (35)"
Window.alert (S + "(" + s.length +) ");

Remove before and after spaces
s = S.trim ();
Show "leading and trailing spaces (27)"
Window.alert (S + "(" + s.length +) ");

</script>