https://fcrw.ru/local/templates/index/template.js

1console.log('version 3');
2
3document.addEventListener("DOMContentLoaded", () => {
4	new Feedback();
5});
6
7
8class Feedback {
9	constructor() {
10		if (typeof Feedback.class === 'object') {
11			return Feedback.class;
12		}
13		this.initForms();
14		Feedback.class = this;
15		return Feedback.class;
16	}
17
18	initForms() {
19		document.querySelectorAll('form.js-feedback').forEach((form) => {
20			this.initForm(form);
21		})
22	}
23
24	initForm(form) {
25		form.addEventListener('submit', (e) => {
26			e.preventDefault();
27			this.sendForm(form);
28		})
29	}
30
31	sendForm(form) {
32		let formData = new FormData(form);
33		formData.append('noSpam', 'Y');
34		fetch(form.action, {
35			method: 'POST',
36			body: formData
37		}).then(response => response.json())
38			.then(res => {
39				form.innerHTML = `<h2>${res.message}</h2>`;
40			});
41
42	}
43}