mirror of
https://github.com/Smaug123/KaTeX
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81 lines
4.1 KiB
Markdown
81 lines
4.1 KiB
Markdown
---
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id: version-0.10.0-browser
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title: Browser
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original_id: browser
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---
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> KaTeX supports all major browsers, including Chrome, Safari, Firefox, Opera, Edge, and IE 9–11.
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## Global
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If you include the `katex.js` directly, the `katex` object will be available as
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a global variable.
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```html
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<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.10.0/dist/katex.css" integrity="sha384-xNwWFq3SIvM4dq/1RUyWumk8nj/0KFg4TOnNcfzUU4X2gNn3WoRML69gO7waf3xh" crossorigin="anonymous">
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<script defer src="https://cdn.jsdelivr.net/npm/katex@0.10.0/dist/katex.js" integrity="sha384-UP7zD+aGyuDvxWQEDSRYcvoTxJSD82C6VvuEBktJZGo25CVhDstY9sCDHvyceo9L" crossorigin="anonymous"></script>
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```
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KaTeX also provides minified versions:
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```html
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<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.10.0/dist/katex.min.css" integrity="sha384-9eLZqc9ds8eNjO3TmqPeYcDj8n+Qfa4nuSiGYa6DjLNcv9BtN69ZIulL9+8CqC9Y" crossorigin="anonymous">
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<script defer src="https://cdn.jsdelivr.net/npm/katex@0.10.0/dist/katex.min.js" integrity="sha384-K3vbOmF2BtaVai+Qk37uypf7VrgBubhQreNQe9aGsz9lB63dIFiQVlJbr92dw2Lx" crossorigin="anonymous"></script>
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```
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The loading of scripts are [deferred using `defer` attribute](https://developer.mozilla.org/en/HTML/Element/script#Attributes)
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to speed up page rendering. The `katex` object will be available after
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[`DOMContentLoaded` event is fired on the `document`](https://developer.mozilla.org/ko/docs/Web/Reference/Events/DOMContentLoaded).
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If you do not use `defer`, `katex` object will be available after corresponding
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`script` tag.
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If KaTeX is not used immediately or not critical, it is possible to load KaTeX
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asynchronously. Add [`async` attribute](https://developer.mozilla.org/en/HTML/Element/script#Attributes)
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to `script` and use [`rel="preload"` and `onload` attribute](https://github.com/filamentgroup/loadCSS)
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on `link`.
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You can prefetch KaTeX fonts to prevent FOUT or FOIT. Use [Web Font Loader](https://github.com/typekit/webfontloader)
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or add [`<link rel="preload" href=(path to WOFF2 font) as="font" type="font/woff2" crossorigin="anonymous">`](https://developer.mozilla.org/en-US/docs/Web/HTML/Preloading_content)
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to `head`. (Note that only few browsers [support `rel="preload"`](https://caniuse.com/#feat=link-rel-preload)
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and they all support WOFF2 so preloading WOFF2 fonts is enough.) You can use
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Chrome DevTools Network panel or similar to find out which fonts are used.
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## Module Loaders
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### AMD
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```html
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<script type="text/javascript">
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require([
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"https://cdn.jsdelivr.net/npm/katex@0.10.0/dist/katex.js",
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], katex => {
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...
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});
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</script>
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<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.10.0/dist/katex.css" integrity="sha384-xNwWFq3SIvM4dq/1RUyWumk8nj/0KFg4TOnNcfzUU4X2gNn3WoRML69gO7waf3xh" crossorigin="anonymous">
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```
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### ECMAScript module
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```html
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<script type="module" type="text/javascript">
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import katex from 'https://cdn.jsdelivr.net/npm/katex@0.10.0/dist/katex.mjs';
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...
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</script>
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<script nomodule defer src="https://cdn.jsdelivr.net/npm/katex@0.10.0/dist/katex.js" integrity="sha384-UP7zD+aGyuDvxWQEDSRYcvoTxJSD82C6VvuEBktJZGo25CVhDstY9sCDHvyceo9L" crossorigin="anonymous"></script>
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<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.10.0/dist/katex.css" integrity="sha384-xNwWFq3SIvM4dq/1RUyWumk8nj/0KFg4TOnNcfzUU4X2gNn3WoRML69gO7waf3xh" crossorigin="anonymous">
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```
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> Use [`nomodule` attribute](https://developer.mozilla.org/en/HTML/Element/script#Attributes)
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to provide a fallback for older browsers that do not support ES modules.
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## Download & Host Things Yourself
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Download a [KaTeX release](https://github.com/KaTeX/KaTeX/releases),
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copy `katex.js`, `katex.css`
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(or `katex.min.js` and `katex.min.css` to use minified versions),
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and the `fonts` directory, and include or import it like above.
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You can also build from source. See [Building from Source](node.md#building-from-source)
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for more details.
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## Bundler
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[Use Node.js package managers to install KaTeX and import it](node.md) in your
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project. Then bundle using bundlers like [webpack](https://webpack.js.org/) or
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[rollup.js](https://rollupjs.org/). Note that you have to bundle the stylesheet
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(`katex.css`) or include it manually.
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