gistfile1.txt

var url = 'http://www.google.fr';
Ext.Ajax.request({
	url: url,
	method: 'get',
	scope: this,
	complete: function(response, options) {
		console.warn('complete', response, options);
	},
	success: function(response, options) {
		console.warn('success', response, options);
	},
	failure: function(response) {
		console.warn('failure', response, options);
	}
});