JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://cdn.sencha.com/ext/gpl/4.2.0/resources/css/ext-all.css">

JavaScript

Ext.create('Ext.form.Panel', {
    title: 'Contact Info',
    renderTo: Ext.getBody(),
    items: {
        xtype: 'textfield',
        name: 'name',
        fieldLabel: '<a target="_blank" href="http://www.google.com">Name</a>',
        allowBlank: false  // requires a non-empty value
    }
});