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@gaearon
gaearon / prepack-gentle-intro-1.md
Last active March 14, 2026 03:25
A Gentle Introduction to Prepack, Part 1

Note:

When this guide is more complete, the plan is to move it into Prepack documentation.
For now I put it out as a gist to gather initial feedback.

A Gentle Introduction to Prepack (Part 1)

If you're building JavaScript apps, you might already be familiar with some tools that compile JavaScript code to equivalent JavaScript code:

  • Babel lets you use newer JavaScript language features, and outputs equivalent code that targets older JavaScript engines.
@ksol
ksol / chrome_39.js
Last active July 10, 2021 13:37
Language detection in javascript
window.navigator.language // -> "fr"
window.navigator.languages // -> ["fr-FR", "fr", "en-US", "en", "es", "de"]
window.navigator.userLanguage // -> undefined
window.navigator.browserLanguage // -> undefined
window.navigator.systemLanguage // -> undefined
@HaNdTriX
HaNdTriX / image_to_data_url.js
Last active November 20, 2024 13:00
Convert an image to base64URL.
/**
* Converts an image to a dataURL
* @param {String} src The src of the image
* @param {Function} callback
* @param {String} outputFormat [outputFormat='image/png']
* @url https://gist.github.com/HaNdTriX/7704632/
* @docs https://developer.mozilla.org/en-US/docs/Web/API/HTMLCanvasElement#Methods
* @author HaNdTriX
* @example
*