javascript,jQuery,trim()

JavaScript trim()

Syntax

string.trim()

• The trim() method removes whitespace from both sides of a string.
• The trim() method does not change the original string.

Example1

var str = "       Hello World!        ";
alert(str.trim()); 

Example2

function myTrim(x) {
    return x.replace(/^s+|s+$/gm,'');
}

function myFunction() {
    var str = myTrim("        Hello World!        ");
    alert(str);
}

jQuery.trim()

• Remove the whitespace from the beginning and end of a string.

Syntax

jQuery.trim( str )

Example

<script>
var str = "         lots of spaces before and after         ";
$( "#original" ).html( "Original String: '" + str + "'" );
$( "#trimmed" ).html( "$.trim()'ed: '" + $.trim(str) + "'" );
</script>