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accordion

v3.0.2

Published

Silky-smooth accordion widgets with no external dependencies.

Downloads

5,172

Readme


The old `accordion.js` file contains only ES5, and can be used as a fallback for older platforms which lack ES module support:

~~~html
<!-- Fallback to ES5 for legacy browsers -->
<script nomodule src="src/accordion.js"></script>
<script nomodule>
	"use strict";
	var accordions = document.querySelectorAll(".accordion");
	for(var i = 0, l = accordions.length; i < l; ++i)
		new Accordion(accordions[i]);
</script>

IE8 support

For IE8-9 compatibility, install fix-ie:

npm install fix-ie --save
bower install fix-ie --save

Then link to it using a conditional comment, before any other script on the page!

<!DOCTYPE html>
<html lang="en">
	<head>
	<!--[if lte IE 9]>
		<script src="node_modules/fix-ie/dist/ie.lteIE9.js"></script>
	<![endif]-->
	<meta charset="utf-8" />

This fixes IE's buggy handling of Object.defineProperty, which the Accordion makes extensive use of. fix-ie also provides oodles of helpful polyfills to fix IE8's shoddy DOM support.

Options

| Name | Type | Default | Description | |--------------------------------------------------|----------|------------------|-----------------------------------------------------------------| | closeClass | String | "closed" | CSS class used to mark a fold as closed | | disabled | Boolean | false | Whether to disable the accordion on creation | | disabledClass | String | undefined | CSS class marking an accordion as disabled | | edgeClass | String | "edge-visible" | CSS class toggled based on whether the bottom-edge is visible | | enabledClass | String | "accordion" | CSS class marking an accordion as enabled | | heightOffset | Number | 0 | Distance to offset each fold by | | modal | Boolean | false | Whether to close the current fold when opening another | | noAria | Boolean | false | Disable the addition and management of ARIA attributes | | noKeys | Boolean | false | Disable keyboard navigation | | noTransforms | Boolean | false | Disable CSS transforms; positioning will be used instead | | onToggle | Function | undefined | Callback executed when opening or closing a fold | | openClass | String | "open" | CSS class controlling each fold's "open" state | | snapClass | String | "snap" | CSS class for disabling transitions between window resizes | | useBorders | Boolean | "auto" | Consider borders when calculating fold heights |