	requestForm: function (url, postData = {}, formAttr = {}) {
		$.extend(formAttr, {
			method: 'post',
			action: url,
			style: 'display:none;'
		});
		let form = $('<form></form>', formAttr);
		if (typeof csrfMagicName !== 'undefined') {
			postData[csrfMagicName] = csrfMagicToken;
		}
		$.each(postData, (index, value) => {
			let input = $(document.createElement('input'));
			input.attr('type', 'hidden');
			input.attr('name', index);
			input.val(value);
			form.append(input);
		});
		$('body').append(form);
		form.trigger('submit');
		form.remove();
	}
The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.