testing textarea to show stringified json

http://stackoverflow.com/questions/9189946/extjs-textarea-with-formatting

HTML

<link rel="stylesheet" href="http://dev.sencha.com/deploy/ext-4.0.7-gpl/resources/css/ext-all.css">

JavaScript

var form = Ext.create('Ext.form.FormPanel', {
    title      : 'Sample TextArea',
    width      : 400,
    bodyPadding: 10,
    renderTo   : Ext.getBody(),
    items: [{
        xtype     : 'textareafield',
        grow      : true,
        name      : 'message',
        fieldLabel: 'Message',
        anchor    : '100%'
    }]
});

jsonObj = {a: 'b', c: [1,2,3, 4]};
jsonString = JSON.stringify(jsonObj, null, '\t');


form.down("textareafield").setValue(jsonString);