Left and Right keyboard arrow key navigation to the previous or next chapter in the manga
// ==UserScript==
// @name Mangakatana Left/Right Arrow Key Chapter Navigation
// @author derickmj
// @version 1.00
// @description Left and Right keyboard arrow key navigation to the previous or next chapter in the manga
// @grant none
// @include /^https?:\/\/(?:www\.)?(mangakatana\.com)(?:.*)$/
// @namespace https://greasyfork.org/users/417388
// ==/UserScript==
(function() {
'use strict';
document.addEventListener("keyup", function(event) {
const previous = document.querySelector('.next'),
next = document.querySelector('.prev');
if (event.keyCode == 39 && previous !== null) {
previous.click()
} else if(event.keyCode == 37 && next !== null) {
next.click()
}
})
})();