polyfills.js: Polyfill Library

DEPRICATION WARNING: the functionality in this script has been superceeded / trivialised by updated web standards.

A library of useful polyfills to ease working with HTML5 in legacy environments.

How to include the script

This include can be added to the header or placed inline before the script is invoked.

<script src="js/polyfills.js"></script>

Or use Require.js.

requirejs([
	'js/polyfills.js'
], function(polyfills) {
	...
});

Or use imported as a component in existing projects.

@import {polyfills} from "js/polyfills.js');

How to control the script

html5

	polyfills.html5();

Add support for HTML5 elements in Internet Explorer 8 and lower.

arrayIndexOf

	polyfills.arrayIndexOf();

Adds support for array.indexOf.

querySelectorAll

	polyfills.querySelectorAll();

Adds support for document.querySelectorAll (1).

addEventListener

	polyfills.addEventListener();

Adds support for element.addEventListener, element.removeEventListener and element.dispatchEvent (2).

consoleLog

	polyfills.consoleLog();

Adds support for console.log.

objectCreate

	polyfills.objectCreate();

Adds support for object.create (3).

stringTrim

	polyfills.stringTrim();

Adds support for string.trim, string.ltrim, string.rtrim and string.fulltrim (4).

localStorage

	polyfills.localStorage();

Adds support for localStorage.getItem, localStorage.key, localStorage.setItem, localStorage.length, localStorage.removeItem (5).

Sources

1. Connolley, Paul. "IE7 querySelectorAll polyfill", https://gist.github.com/connrs/2724353
2. Neal, Jonathan. "Polyfill the EventListener interface in IE8", https://gist.github.com/jonathantneal/3748027
3. Gasparini, Ryan. "HTML5 API Polyfills", https://gist.github.com/rxgx/1597825
4. Perelman, Eli. "String.prototype.trim polyfill for 140byt.es", https://gist.github.com/eliperelman/1035982
5. Mozilla Developer Network. "DOM Storage guide", https://developer.mozilla.org/en/docs/Web/Guide/API/DOM/Storage

License

This work is licensed under a MIT License. The latest version of this and other scripts by the same author can be found on Github.