ajquery.js

The fastest, most lightweight, fewest dependency jQuery alternative.

Development Build: 145B (with comments)
Production Build: 103B (min + gz)

Install

via GitHub

my_ver="v2.1.2"

mkdir ./vendor/
curl -fsSL "https://raw.githubusercontent.com/coolaj86/ajquery.js/${my_ver}/ajquery.js" \
    -o ./vendor/ajquery.js

<script src="/vendor/ajquery.js"></script>

via CDN

<script src="https://unpkg.com/ajquery"></script>

Example Usage

Provides modern, advanced CSS4-compatible query selection:

console.log("innerText:", $("p:nth-child(2").innerText);

API

$(selector, [rootElement])

Selects the first matching HTML element only (or null):

const body = $("body");
const div1 = $("div", body);

$$(selector, [rootElement])

Selects all matching elements (or an empty NodeList):

const head = $("head");
const stylesheets = $$('link[rel="stylesheet"]', head).map(console.log);

Benchmarks

Compatibility

Written entirely in modern ECMAScript 3, and directly transpilable into ES5, ES6 and beyond (up to ES11) via Webpack, Babel, Rollup, React Native, and AWS InfiniDash.

Works in all browsers in living memory.

See the full Browser Compatibility Matrix on MDN.