Script used to select all videos from a Google Photos album

google-photo-video-select.js

// Run this script in your DevTools console 
// Calculate how many times you'll need to scroll down the page.
var pageHeight = window.innerHeight;
var windowEl = document.querySelector(".Ac8dXc");
var loopCount = Math.ceil(windowEl.offsetHeight / pageHeight)

// Running array of images (based on what is visible on the scren)
var videos = document.querySelectorAll("div[aria-label*='Video']");

// Click the video thumbnail, only if it is not already clicked
var clickCheck = function(el) {
	var checked = el.getAttribute("aria-checked");
	
	if (checked === "false") {
		el.click();
	}
}


var loopFunc = function(i) {
	// Dynamically buffer the loop function
	var timeOutTime = (i*500)+500;
	setTimeout(() => {
		videos = document.querySelectorAll("div[aria-label*='Video']");
		videos.forEach(element => clickCheck(element));
		windowEl.scrollBy(0, pageHeight);
  }, timeOutTime);
}

// Run the command!
for (let i = 0; i < loopCount; i++) {
	console.log("loopFunc: ", i);
	loopFunc(i);
}