Press 1-9 on Google search page to open the corresponding link
// ==UserScript==
// @name Google digits
// @description Press 1-9 on Google search page to open the corresponding link
// @include https://www.google.tld/*
// @version 1.3.0
// @author wOxxOm
// @namespace wOxxOm.scripts
// @license MIT License
// @run-at document-start
// @grant GM_openInTab
// @icon https://www.google.com/images/branding/googleg/1x/googleg_standard_color_128dp.png
// @noframes
// ==/UserScript==
const SEL = '#rso a h3';
const SEL2 = '.related-question-pair [aria-expanded][tabindex]';
const SELHIDE = '.related-question-pair a h3';
document.documentElement.appendChild(document.createElement('style')).textContent = /*css*/ `
#rso {
counter-reset: digitnav digitnav2;
}
${SEL}::before {
counter-increment: digitnav;
content: counter(digitnav) ":";
margin-right: .25ex;
opacity: .5;
}
${SEL2}::before {
counter-increment: digitnav2;
content: "⇧" counter(digitnav2) ":";
margin-right: .5ex;
opacity: .75;
}
${SEL}:hover::before {
opacity: 1;
}
${SELHIDE}::before {
counter-increment: none !important;
}
`;
addEventListener('keydown', function onKeyDown(e) {
const k = e.which;
const digit =
k >= 48 && k <= 57 ? k - 48 :
k >= 96 && k <= 105 ? k - 96 :
-1;
let el, a, b;
if (digit >= 0 &&
location.href.match(/[#&?]q=/) &&
!e.metaKey && !e.ctrlKey &&
(el = e.target.localName) !== 'input' && (el !== 'textarea')) {
const is2 = e.shiftKey;
const elems = [...document.querySelectorAll(is2 ? SEL2 : SEL)]
.filter(is2 ? Boolean : el => !el.matches(SELHIDE));
el = elems[digit ? digit - 1 : 9];
a = el && (el.closest('a') || is2 && el);
if (!a) return;
e.stopPropagation();
el.style.backgroundColor = el.style.backgroundColor ? '' : 'yellow';
a.focus();
if (a.scrollIntoViewIfNeeded) a.scrollIntoViewIfNeeded();
else if ((b = a.getBoundingClientRect()) && (b.y < 0 || b.bottom > innerHeight))
a.scrollIntoView({block: 'center'});
if (is2) a.click();
else if (e.altKey) GM_openInTab(a.href);
else location = a.href;
}
}, true);