jQuery scrollToTop

A jquery plugin that automatically add a button to scroll to top.

Table of contents

• Main files
• Quick start
• Requirements
• Usage
• Examples
• Options
• Methods
• Events
• No conflict
• Browser support
• Contributing
• Development
• Changelog
• Copyright and license

Main files

dist/
├── jquery-scrollToTop.js
├── jquery-scrollToTop.es.js
├── jquery-scrollToTop.min.js
└── css/
    ├── scrollToTop.css
    └── scrollToTop.min.css

Quick start

Several quick start options are available:

Download the latest build

• Development - unminified
• Production - minified

Install From Bower

bower install jquery-scrollToTop --save

Install From Npm

npm install jquery-scrollToTop --save

Install From Yarn

yarn add jquery-scrollToTop

Build From Source

If you want build from source:

git clone git@github.com:amazingSurge/jquery-scrollToTop.git
cd jquery-scrollToTop
npm install
npm install -g gulp-cli babel-cli
gulp build

Done!

Requirements

jquery-scrollToTop requires the latest version of jQuery.

Usage

Including files:

<link rel="stylesheet" href="/path/to/scrollToTop.css">
<script src="/path/to/jquery.js"></script>
<script src="/path/to/jquery-scrollToTop.js"></script>

Initialization

All you need to do is call the plugin on the element:

jQuery(function($) {
  $('body').scrollToTop({
    skin: 'cycle'
  });
});

Examples

There are some example usages that you can look at to get started. They can be found in the examples folder.

Options

jquery-scrollToTop can accept an options object to alter the way it behaves. You can see the default options by call $.scrollToTop.setDefaults(). The structure of an options object is as follows:

{
  distance: 200,
  speed: 1000,
  easing: 'linear',
  animation: 'fade', // fade, slide, none
  animationSpeed: 500,

  mobile: {
    width: 768,
    distance: 100,
    speed: 1000,
    easing: 'easeInOutElastic',
    animation: 'slide',
    animationSpeed: 200
  },

  trigger: null, // Set a custom triggering element. Can be an HTML string or jQuery object
  target: null, // Set a custom target element for scrolling to. Can be element or number
  text: 'Scroll To Top', // Text for element, can contain HTML

  skin: null,
  throttle: 250,

  namespace: 'scrollToTop'
}

Methods

Methods are called on scrollToTop instances through the scrollToTop method itself. You can also save the instances to variable for further use.

// call directly
$().scrollToTop('destroy');

// or
var api = $().data('scrollToTop');
api.destroy();

jump()

Jump to top.

$().scrollToTop('jump');

enable()

Enable the scrollbar functions.

$().scrollToTop('enable');

disable()

Disable the scrollbar functions.

$().scrollToTop('disable');

destroy()

Destroy the scrollbar instance.

$().scrollToTop('destroy');

Events

jquery-scrollToTop provides custom events for the plugin’s unique actions.

$('.the-element').on('scrollToTop::jump', function (e) {
  // on jump to top
});

Event	Description
enable	Fired when the enable instance method has been called.
disable	Fired when the disable instance method has been called.
show	Fired when showing the toggle.
hide	Fired when hiding the toggle.
jump	Fired when jumping to the top.
destroy	Fires when an instance is destroyed.

No conflict

If you have to use other plugin with the same namespace, just call the $.scrollToTop.noConflict method to revert to it.

<script src="other-plugin.js"></script>
<script src="jquery-scrollToTop.js"></script>
<script>
  $.scrollToTop.noConflict();
  // Code that uses other plugin's "$().scrollToTop" can follow here.
</script>

Browser support

Tested on all major browsers.

Latest ✓	Latest ✓	Latest ✓	Latest ✓	9-11 ✓	Latest ✓

As a jQuery plugin, you also need to see the jQuery Browser Support.

Contributing

Anyone and everyone is welcome to contribute. Please take a moment to review the guidelines for contributing. Make sure you're using the latest version of jquery-scrollToTop before submitting an issue. There are several ways to help out:

• Bug reports
• Feature requests
• Pull requests
• Write test cases for open bug issues
• Contribute to the documentation

Development

jquery-scrollToTop is built modularly and uses Gulp as a build system to build its distributable files. To install the necessary dependencies for the build system, please run:

npm install -g gulp
npm install -g babel-cli
npm install

Then you can generate new distributable files from the sources, using:

gulp build

More gulp tasks can be found here.

Changelog

To see the list of recent changes, see Releases section.

Copyright and license

Copyright (C) 2016 amazingSurge.

Licensed under the LGPL license.

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