1fc264d9c67154d6af02f2162bde9a8d15e8ed19b0d36173fdf4428bf37d35d4

Source Code:

"use strict";
function makeFullScreen() {
    if (document.getElementsByTagName("body")[0].classList.contains('yandex') === false) {
        document.body.requestFullScreen ? document.body.requestFullScreen() : document.body.webkitRequestFullScreen ? document.body.webkitRequestFullScreen() : document.body.mozRequestFullScreen && document.body.mozRequestFullScreen()
    }
}

var url = new URL(window.location.href),
    fullScreenMode = url.searchParams.get("fullScreenMode");

if (fullScreenMode !== 'disabled') {
    document.body.addEventListener("click", makeFullScreen);
    document.addEventListener("keydown", makeFullScreen);
}