113 lines
2.2 KiB
Markdown
113 lines
2.2 KiB
Markdown
# [ajquery.js](https://git.coolaj86.com/coolaj86/ajquery.js)
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The fastest, most lightweight, fewest dependency jQuery alternative. \
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**New**: Now typed, Ai-enhanced, and better than ever!
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Development Build: 721B (types + comments) \
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Production Build: 117B (min + gz)
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## Example Usage
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Provides modern, advanced CSS4-compatible query selection:
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```js
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console.log("innerText:", $("p:nth-child(2").innerText);
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```
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## Install
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### via GitHub
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```bash
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my_ver="v3.0.3"
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mkdir ./vendor/
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curl -fsSL "https://raw.githubusercontent.com/coolaj86/ajquery.js/${my_ver}/ajquery.js" \
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-o ./vendor/ajquery.js
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# Lighthouse-optimized
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npx -p uglify-js@3 uglifyjs ./vendor/ajquery.js -o ./vendor/ajquery.min.js
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```
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```html
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<script src="/vendor/ajquery.js"></script>
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```
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### via CDN
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```html
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<script src="https://unpkg.com/ajquery@3.0.3/ajquery.min.js"></script>
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```
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Bundler-optimized:
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```html
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<script src="https://unpkg.com/ajquery@3.0.3/ajquery.min.cjs"></script>
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```
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Tree-shaking-optimized:
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```html
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<script src="https://unpkg.com/ajquery@3.0.3/ajquery.min.mjs"></script>
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```
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### via NPM
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```sh
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npm install --save ajquery@3
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```
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#### CommonJS
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```js
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let AJQuery = require("ajquery");
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let $ = AJQuery.$;
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let $$ = AJQuery.$$;
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```
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#### ESM
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```js
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import AJQuery from "ajquery";
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let $ = AJQuery.$;
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let $$ = AJQuery.$$;
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```
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## API
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### `$(selector, [rootElement])`
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Selects the first matching HTML element only (or `null`):
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```js
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const body = $("body");
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const div1 = $("div", body);
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```
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### `$$(selector, [rootElement])`
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Selects all matching elements (or an empty `NodeList`):
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```js
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const head = $("head");
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const stylesheets = $$('link[rel="stylesheet"]', head).map(console.log);
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```
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## Benchmarks
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## Compatibility
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Written entirely in modern ECMAScript 3, and directly transpilable into ES5, ES6
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and beyond (up to ES11) via Webpack, Babel, Rollup, React Native, and AWS
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InfiniDash.
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Works in [all browsers](https://caniuse.com/?search=queryselector) in living
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memory.
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See the full
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[Browser Compatibility Matrix](https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement#browser_compatibility)
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on MDN.
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