A YUI 3 textarea extension that allows textareas to automatically grow and shrink.

Based on http://www.oroly.com/2010/January/6/resizeable-textareas-that-grow-and-shrink-to-fit-its-content

Copyright (c) 2009 John Nishinaga Licensed under the MIT license

Example

YUI().use("elastic-textarea", function(Y) {

  var elasticy = new Y.ElasticTextarea({
    node: "#mytextarea", // required
    minHeight: 100,      // optional (inferred from node's style if not set)
    maxHeight: 300       // optional (inferred from node's style if not set)
  });

// Change minHeight or maxHeight after creation
  elasticy.set("minHeight", 200);
  elasticy.set("maxHeight", 400);

  // Force an update
  elasticy.update()

});