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headjs/headjs

The only script in your HEAD.
Source code at GitHub https://headjs.github.io/
headjs/headjs.json
{
  "createdAt": "2010-11-29T11:15:57Z",
  "defaultBranch": "master",
  "description": "The only script in your HEAD.",
  "fullName": "headjs/headjs",
  "homepage": "https://headjs.github.io/",
  "language": "JavaScript",
  "name": "headjs",
  "pushedAt": "2023-04-20T20:28:14Z",
  "stargazersCount": 4134,
  "topics": [],
  "updatedAt": "2025-11-18T11:30:49Z",
  "url": "https://github.com/headjs/headjs"
}

This project is no longer maintained, but was the only solution back in the day, to do responsive design with IE6 & co ^^

Section titled “This project is no longer maintained, but was the only solution back in the day, to do responsive design with IE6 & co ^^”

Latest Version: v1.0.3 :: Docs | Downloads

Section titled “Latest Version: v1.0.3 :: Docs | Downloads”

Responsive Design, Feature Detections, and Resource Loading

Section titled “Responsive Design, Feature Detections, and Resource Loading”
  • Speed up your apps: Load JS & CSS asyncronously and in parallel, but execute them in order
  • Load one asset if a condition is met, else fallback and load a different one
  • Manage script dependencies, and execute callbacks once they are loaded
  • Cross-browser compatible « pseudo media-queries » let you code against different resolutions & devices
  • Fix quirks in specific browsers by quickly applying dedicated CSS/JS logic
  • Detect various browsers & their versions
  • Check if the client supports a certain Browser, HTML5, or CSS3 feature
  • Automatically generates JS and CSS classes for browsers & features that where detected
  • Automatically generates CSS classes, to know what page or section a user is viewing
  • Know if the user is in landscape or portrait mode
  • Or whether the client is using a mobile or desktop device
  • Get old browsers to support HTML5 elements like nav, sidebar, header, footer, …
  • …
  • Make it, The only script in your <HEAD>
    • A concise solution to universal problems

###Resources