// 测试:
;(function () {
    window.testFormHandler = checkRegisterForm;
    var form = document.getElementById('test-register');
    if (form.dispatchEvent) {
        var event = new Event('submit', {
    		bubbles: true,
    		cancelable: true
  		});
        form.dispatchEvent(event);
    } else {
        form.fireEvent('onsubmit');
    }
})();