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- (function() {
- var intervalObj = null;
- var retry = 0;
- var clickHandler = function() {
- console.log("Clicked; stopping autoscroll");
- clearInterval(intervalObj);
- document.body.removeEventListener("click", clickHandler);
- }
- function scrollDown() {
- var scrollHeight = document.body.scrollHeight,
- scrollTop = document.body.scrollTop,
- innerHeight = window.innerHeight,
- difference = (scrollHeight - scrollTop) - innerHeight
- if (difference > 0) {
- window.scrollBy(0, difference);
- if (retry > 0) {
- retry = 0;
- }
- console.log("scrolling down more");
- } else {
- if (retry >= 3) {
- console.log("reached bottom of page; stopping");
- clearInterval(intervalObj);
- document.body.removeEventListener("click", clickHandler);
- } else {
- console.log("[apparenty] hit bottom of page; retrying: " + (retry + 1));
- retry++;
- }
- }
- }
- document.body.addEventListener("click", clickHandler);
- intervalObj = setInterval(scrollDown, 1000);
- })()
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