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iThome Arrow Key Pager - Use ← (Go to Previous Page), → (Go to Next Page)
// ==UserScript==
// @name iThome Arrow Key Pager
// @namespace https://github.com/livinginpurple
// @version 2019.12.03.10
// @description iThome Arrow Key Pager - Use ← (Go to Previous Page), → (Go to Next Page)
// @description:zh-TW 使用方向鍵前往上一頁(←)、下一頁(→)
// @license WTFPL
// @author livinginpurple
// @match https://ithelp.ithome.com.tw/*
// @include *
// @run-at document-end
// @grant none
// @grant GM.xmlHttpRequest
// ==/UserScript==
(function () {
'use strict';
console.log(GM_info.script.name + " is loading.");
const previousPage = document.getElementsByClassName("fa fa-fw fa-angle-left")[0];
const nextPage = document.getElementsByClassName("fa fa-fw fa-angle-right")[0];
document.addEventListener('keydown', (event) => {
let keyName = event.key;
//console.log('keydown event\n\n' + 'key: ' + keyName);
if ((event.altKey && (keyName === "ArrowLeft" || keyName === "ArrowRight"))) {
return false;
}
if (keyName === "ArrowRight") {
if (nextPage === null) {
alert("Last Page!!");
return false;
}
nextPage.click();
}
if (keyName === "ArrowLeft") {
if (previousPage === null) {
alert("First Page!!");
return false;
}
previousPage.click();
}
});
console.log(GM_info.script.name + " is running.");
})(document);