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universal-parallax

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universal-parallax

Easy parallax plugin using vanilla javascript. Works on mobile devices (really). Lightweight (2kb). Cross browser compatibility

1.3.2
latest
Source
npm

Version published: 6 years ago

Maintainers: 1

Created: 7 years ago

Source

Universal Parallax

Easy parallax plugin using pure javascript. Lightweight (2kb) and cross browser compatibility - including mobile platforms (iOS, Android).

See demo

:zap: Features

Easy setup
Pure JavaScript
Adaptive height
Works on mobile devices
Lightweight (2kb minified)

:floppy_disk: Install

$ npm i universal-parallax -S

:rocket: Setup

#1

Choose between:

Include this in your <head> section

<link href="node_modules/universal-parallax/dist/universal-parallax.min.css" rel="stylesheet">

Or add this CSS

.parallax__container {
	clip: rect(0, auto, auto, 0);
	height: 100%;
	left: 0;
	overflow: hidden;
	position: absolute;
	top: 0;
	width: 100%;
	z-index: -100;
}

.parallax {
	position: fixed;
	top: 0;
	-webkit-transform: translate3d(0, 0, 0);
	transform: translate3d(0, 0, 0);
	-webkit-transform-style: preserve-3d;
	transform-style: preserve-3d;
	width: 100%;

	/* BG behaviour */
	background-position: center;
	background-repeat: no-repeat;
	background-size: cover;
}

:zap: BG behaviour in seperate class gives more flexibility controlling them :zap: SASS version available in /dist folder

#2

If <section> is your container, make the parallax element inside it

<section>
	<div class="parallax" data-parallax-image="path/to/your_image">
</section>

:zap: You can also use background-image to define your image instead of using data-parallax-image=""

#3

Include the script to your project

<script src="node_modules/universal-parallax/dist/universal-parallax.min.js"></script>

#4

Initialize the JS function

<script>
	new universalParallax().init();
</script>

That's it! :checkered_flag:

If it resembles the demo - you're done :tada:
See customizations underneath
Please report any problems you find
Otherwise, let me know me for new features or improvements. Thanks!

Custom speed

You can change the parallax speed; the higher the number, the slower the parallax effect

new universalParallax().init({
	speed: 6.0
});

:zap: speed: 1 is the minimum value before the background image is fixed

Tips

Opacity

If you want your backround color to shine through or dampen the image without making it a .png - just add transparency to it

.parallax {
	opacity: 0.5;
}

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Package last updated on 24 Feb 2019

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