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| title: Browser Support | ||
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There was a problem hiding this comment. Add/replace the text at the start saying "Gatsby supports the same browsers as the stable version of React.js which is currently IE9+ as well as the most recent versions of other popular browsers. Gatsby requires support for the Promise API which is not supported in older browsers. Because of this, Gatsby…" |
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| ## ES6 Promises | ||
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| When running on the browser, Gatsby makes use of the [Promise API](https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Promise) so that plugins can run asynchronous code early on during bootstrap. | ||
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| Because of this, Gatsby by default includes a Promise polyfill when building your site. If you would like to provide your own promise implementation, you can set `polyfill` to `false` in your `gatsby-config.js`: | ||
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| ``` | ||
| module.exports = { | ||
| polyfill: false, | ||
| // ... | ||
| } | ||
| ``` | ||
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| ## Browserslist | ||
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| You may customize your list of supported browser versions by declaring a [`"browserslist"`](https://github.com/ai/browserslist) key within your `package.json`. Changing these values will modify your JavaScript (via [`babel-preset-env`](https://github.com/babel/babel-preset-env#targetsbrowsers)) and your CSS (via [`autoprefixer`](https://github.com/postcss/autoprefixer)) output. | ||
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| This article is a good introduction to the growing community around Browserslist — https://css-tricks.com/browserlist-good-idea/ | ||
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You'll also need to update the
doc-links.yamlfile with the new link.