jQuery.trim()

jQuery.trim ( str ) Returns: Stringversion added: 1.0

  • str
    Type: String
    The string to trim.

Description: Remove the whitespace from the beginning and end of a string.

The $.trim() function removes all newlines, spaces (including non-breaking spaces), and tabs from the beginning and end of the supplied string. If these whitespace characters occur in the middle of the string, they are preserved.

Examples:

Example: Remove the white spaces at the start and at the end of the string. 

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>css demo</title>

  <script src="//code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
  

<pre id="original"></pre>
<pre id="trimmed"></pre>

<script>

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

</script>

  
</body>
</html>

Demo:

Example: Remove the white spaces at the start and at the end of the string. 

$.trim("    hello, how are you?    ");