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>