https://www.hongliyangzhi.com/assets/js/contactscripts.js

1/*
2Creating an HTML5 enhanced responsive-ready contact form, with custom javascript feature detection
3www.toddmotto.com
4*/
5(function() {
6
7	// Create input element for testing
8	var inputs = document.createElement('input');
9	
10	// Create the supports object
11	var supports = {};
12	
13	supports.autofocus   = 'autofocus' in inputs;
14	supports.required    = 'required' in inputs;
15	supports.placeholder = 'placeholder' in inputs;
16
17	// Fallback for autofocus attribute
18	if(!supports.autofocus) {
19		
20	}
21	
22	// Fallback for required attribute
23	if(!supports.required) {
24		
25	}
26
27	// Fallback for placeholder attribute
28	if(!supports.placeholder) {
29		
30	}
31	
32	// Change text inside send button on submit
33	var send = document.getElementById('contact-submit');
34	if(send) {
35		send.onclick = function () {
36			this.innerHTML = '...Sending';
37		}
38	}
39
40})();