jQuery.trim()

jQuery

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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 )

    • str
      Type: String
      The 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.

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                                        <!DOCTYPE html>
                                      
                                    

                                  

                                  

                                    

                                      
                                        <html>
                                      
                                    

                                  

                                  

                                    

                                      
                                        <head>
                                      
                                    

                                  

                                  

                                    

                                        <script src="http://code.jquery.com/jquery-latest.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.

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

Result:

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                                        "hello, how are you?"
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