https://www.microbe.tv/wp-content/themes/podcaster/js/call-parallax.js

1{
2	'use strict';
3	window.addEventListener('DOMContentLoaded',init,false);
4
5	let checkifblog = podpageparallax.check_if_blog;
6	let headerbg = '';
7	let headertxt = '';
8
9
10	if( checkifblog ) {
11
12		headerbg = document.querySelector('.blog .reg .content_page_thumb .background_image .parallax.parallax_on');
13		headertxt = document.querySelector('.blog .reg .heading .title');
14
15	} else {
16
17		headerbg = document.querySelector('.page .reg .content_page_thumb .background_image .parallax.parallax_on');
18		headertxt = document.querySelector('.page .reg .heading .title');
19	}
20
21
22	let setTranslate = (x,y,el) => {
23		if( el !== null ) {
24			el.style.transform="translate3d(" + x + "px," + y + "px,0)";
25		}
26	}
27	
28	let xScrollPosition;
29	let yScrollPosition;
30	
31	function init(){
32	
33		xScrollPosition=window.scrollX;	
34		yScrollPosition=window.scrollY;
35
36		setTranslate(0, yScrollPosition * 0, headertxt);
37		setTranslate(0, yScrollPosition * 0.2, headerbg);
38		
39		requestAnimationFrame(init);
40	}
41
42}