public/js/jquery.textarea_grow.js

   1 jQuery.fn.textarea_grow = function(){
   2         return this.each(function(){
   3                 var rows = this.rows;
   4                 console.debug( 'textarea_grow', rows, this );
   5                 var grow = function(ta) {
   6                 var lines = ta.value.split('\n').length;
   7                         if ( lines != rows ) {
   8                                 ta.rows = lines;
   9                                 rows    = lines;
  10                                 console.debug('keyup', lines, rows, ta );
  11                         }
  12                 };
  13                 grow(this);
  14                 this.onkeyup = function() { grow(this) };
  15         });
  16 };
  17