rfc page turning key: ← →
// ==UserScript==
// @name rfc page turning key
// @namespace http://note.yurenchen.com/archives/js_snippets.html
// @version 0.1
// @description rfc page turning key: ← →
// @author yurenchen
// @match https://tools.ietf.org/html/*
// @run-at document-end
// @grant none
// ==/UserScript==
(function() {
'use strict';
//rfc page turning key: ← →
var pages = document.getElementsByClassName('newpage');
var page_height = pages[1].offsetTop-pages[0].offsetTop;
console.log('page_height"', page_height);
function nextpage(){
document.body.scrollTop += page_height;
}
function prevpage(){
document.body.scrollTop -= page_height;
}
document.body.onkeydown = function(e){
console.log('onkeydown:',e);
switch(e.key){
case 'ArrowRight':
nextpage();
break;
case 'ArrowLeft':
prevpage();
break;
}
};
})();