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jvmaia/scroll.js

Created September 17, 2018 18:48
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genius scroll lyrics
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scroll.js
var a = $('section[ng-hide="lyrics_ctrl.should_show_lyrics_edit_form() || lyrics_ctrl.should_show_lyrics_edit_proposal_form()"]')
var b = $('share-buttons')
var start = a.position().top
var left = a.position().left
var limit = b.position().top
var step = 50
var limit_steps = (limit-start) / step
var interval = 5000 // milliseconds
var next_timeout;
var scroll_lyrics = function (start, left, limit_steps, step, interval) {
if (limit_steps == 0) {
return;
}
window.scrollTo(left, start);
next_timeout = setTimeout(scroll_lyrics, interval, start+step, left, limit_steps-1, step, interval);
}
scroll_lyrics(start, left, limit_steps, step, interval)
// clearInterval(scroll_lyrics)
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