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