如何让textarea，kindeditor的高度自适应

var editor;

KindEditor.ready(function(K) {

editor = K.create('textarea[name="content"]', {

resizeType : 1,  

allowPreviewEmoticons : false,

allowImageUpload : true,

allowFlashUpload : true,

autoHeightMode : true,

afterCreate : function() {

this.loadPlugin('autoheight');

}

});

    });