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universal-parallax

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universal-parallax

Easy parallax plugin using pure javascript. Also works on mobile platforms. Cross browser and opacity support.

1.1.2
Source
npm

Version published: 7 years ago

Weekly downloads: 59; increased by11.32%

Maintainers: 1

Weekly downloads

Created: 7 years ago

Source

Universal Parallax

Easy parallax plugin using pure javascript. Cross browser support, including mobile platforms.

See demo

:zap: Features

Easy setup
Pure JavaScript plugin - no jQuery needed
Adaptive height
Mobile phone support
Support for transparent backgrounds - without affecting content

:floppy_disk: Install

$ npm i universal-parallax -S

:rocket: Usage

#1

Include the script at the bottom of your project

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

#2

Choose between either..

Including this in your <head> section

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

Or adding this CSS
:zap: Gives more flexibility controlling the behaviour of bg images (see "optional" comment)

.parallax--container {
	position: absolute;
	clip: rect(0, auto, auto, 0);
	width: 100%;
	height: 100%;
	top: 0;
	left: 0;
	z-index: -10; /* place further back if necessary */
}

.parallax {
	position: fixed;
	width: 100%;
	height: 100%;
	top: 0;
	left: 0;
	/* optional - see step #3 */
	background-repeat: no-repeat;
	background-position: center;
	background-size: cover;
}

#3

If <section> is your container, make the parallax element inside it, just before the closing tag :fire:

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

:zap: You can also use a class to define your background-image in CSS, instead of using data-parallax-image=""

#4

Fire up the JS function

new universalParallax().init();

#5

That's it! :checkered_flag:

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

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: 1.2 is the minimum value before the background image is fixed

Opacity

If desired, transparency can be added to the parallax elements with CSS and it won't affect the opacity of your content above. CSS class not included* :smirk:

.parallax--opacity {
	opacity: 0.5;
}

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Package last updated on 02 Mar 2018

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