jquery textarea maxlength

jQuery(function($) {     // ignore these keys   var ignore = [8,9,13,33,34,35,36,37,38,39,40,46];     // use keypress instead of keydown as that's the only   // place keystrokes could be canceled in Opera   var eventName = 'keypress';     // handle textareas with maxlength attribute   $('textarea[maxlength]')       // this is where the magic happens     .live(eventName, function(event) {       var self = $(this),           maxlength = self.attr('maxlength'),           code = $.data(this, 'keycode');         // check if maxlength has a value.       // The value must be greater than 0       if (maxlength && maxlength > 0) {           // continue with this keystroke if maxlength         // not reached or one of the ignored keys were pressed.         return ( self.val().length < maxlength                  || $.inArray(code, ignore) !== -1 );         }     })       // store keyCode from keydown event for later use     .live('keydown', function(event) {       $.data(this, 'keycode', event.keyCode || event.which);     });   });

사용방법

<textarea cols="30" rows="5" maxlength="10"></textarea>