jQuery & jQuery UI Documentation

jQuery & jQuery UI

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jQuery.trim()

Categories: Utilities

jQuery.trim( str ) Returns: String

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

  • version added: 1.0jQuery.trim( str )

    strThe string to trim.

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 two white spaces at the start and at the end of the string. 

<!DOCTYPE html>
<html>
<head>
  <script src="http://code.jquery.com/jquery-1.7rc2.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>

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

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

Result:

"hello, how are you?"
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