One Page Scroll Effect In Vanilla JavaScript

docSlider.js

docSlider.js is a JavaScript plugin that works without jQuery.
Change the web sections to a one-page scroll.

Demo

https://prjct-samwest.github.io/docSlider/

Install

Install it from npm or download the file.

npm Install

npm install docslider

File Download

https://github.com/prjct-samwest/docSlider/archive/v2.0.4.zip

Usage

Step1 - Include the CSS and JavaScript files

Add a CSS to the <head> tag.

<link rel="stylesheet" href="docSlider.css">

Add a JavaScript to just before the </body> tag.

<script src="docSlider.min.js"></script>

Step2 - HTML markup

<div class="docSlider">
    <section>...</section>
    <section>...</section>
    <section>...</section>
</div>

Step3 - Initialize docSlider

docSlider.init();

Options

Option	Type	Default	Description
speed	int	600	Page change speed.(ms)
easing	string	“ease”	Page change easing animation.
It corresponds to the CSS property `"transition-timing-function"`.
pager	boolean	true	Show pager button.
horizontal	boolean	false	Horizontal scroll mode.
startSpeed	int	null	Page change speed when jumping from an external page using a hashtag. (ms)
If not set, it will be set to the same value as `"speed"`.
complete	function		Callback function. See below for details.
beforeChange	function		Callback function. See below for details.
afterChange	function		Callback function. See below for details.
setInitCss	function		CSS setting function. See below for details.
setChangeCss	function		CSS setting function. See below for details.

Examples

// change the speed
docSlider.init({
    speed : 500
});

// change the speed and easing
docSlider.init({
    speed : 500,
    easing : 'ease-in-out'
});

Callback functions

function	Params	Description
complete	options, elements	Triggered after the docSlider.js has been initialized.
beforeChange	index, page, toIndex, toPage, type	Triggered before the page changes.
afterChange	index, page, fromIndex, fromPage, type	Triggered after the page changes.

Params

options   : options object value.
elements  : docSlider's elements object. {wrapper, pages, pager, buttons}
index     : current page index value.
page      : current page element.
toIndex   : destination page index value.
toPage    : destination page element.
fromIndex : source page index value.
fromPage  : source page element.
type      : page change type. 
            "scroll" / "pager" / "anchor" / "key" / "focus" / "jumpPage" / "nextPage" / "prevPage"

Examples

docSlider.init({
    beforeChange : function(index){
        console.log('current index is ' + index);
    }
});

CSS setting functions

If you want to change the initial placement of the page or the CSS settings for page changes, please use it.

function	Params	Description
setInitCss	index, horizontal	Invoked to initialize each page.
Function to set the initial position CSS of the page.
setChangeCss	index, currentIndex, speed, easing, horizontal	Invoked to change each page.
Function to set the ‘transition’ of each page.

Params

index        : page element's index value.
currentIndex : current page element's index value.
horizontal   : horizontal mode boolean value.
speed        : option's speed values
easing       : option's easing values

setInitCss

By default settings, the “top” or “left” property is used to place each page.

 function(index, horizontal){

    const point = horizontal ? 'left' : 'top';
    const style = {};

    style[point] = index * 100 + '%';

    return style;

}

setChangeCss

By default settings, the “transition” property is used to make moves on each page.

function (index, currentIndex, speed, easing, horizontal) {

    const xy = horizontal ? 'X' : 'Y';
    const style = {};

    style.transitionProperty = 'transform';
    style.transitionDuration = speed + 'ms';
    style.transitionTimingFunction = easing;
    style.transform = 'translate' + xy + '(-' + currentIndex * 100 + '%)';

    return style;

}

Methods

Method	Arguments	Description
init	options	Initialize docSlider.js.
jumpPage	to, speed, easing	Jump to any page.
nextPage	speed, easing	Jump to next page.
prevPage	speed, easing	Jump to previous page.
getOptions	-	Gets an options object value.
getElements	-	Gets docSlider.js’s Elements object value.
getCurrentIndex	-	Gets an current page index value.
getCurrentPage	-	Gets an current page element.
enable	toggle	Enable / disable all docSlider.js’s operations.

jumpPage method Example

docSlider.jumpPage(2);  // Jumps to the page with index number 2 (page 3).

jumpPage method example (using a hashtag)

docSlider.jumpPage('foo');  // Jumps to the page with id name 'foo' (page 2).

If you want to use hashtag jump, you need to set the ID name if necessary.

<div class="docSlider">
  <section id="hoge">...</section>
  <section id="foo">...</section>
  <section id="bar">...</section>
</div>

Other features

1. Jump from external site to any page

<a href="index.html#foo">jump to #foo page</a>

Just link like you would a normal anchor link.
If you want to use hashtag jump, you need to set the ID name if necessary.

2. Supports scroll elements

You can avoid mouse wheel event conflicts by simply adding the class name "docSlider-scroll" to the scrolling element.

<div class="docSlider-scroll">
  ....
  ....
  ....
</div>

3. Supports key-press

Key	Description
[ Space ] / [ PageDown ] / [ ArrowDown ]	Scroll down / jump to next page.
[ Shift ] + [ Space ] / [ PageUp ] / [ ArrowUp ]	Scroll up / jump to previous page.
[ End ]	Jump to last page.
[ Home ]	Jump to first page.
[ Tab ]	Jump to next page.
[ Shift ] + [ Tab ]	Jump to previous page.
[ ArrowRight ]	Jump to next page. (horizontal mode only)
[ ArrowLeft ]	Jump to previous page. (horizontal mode only)

Browser support

docSlider.js works on modern browser as Chrome, Firefox, Safari, Edge, IE11.

Version

The latest version is 2.0.4

Download Details:

Author: prjct-samwest

Live Demo: https://prjct-samwest.github.io/docSlider/

GitHub: https://github.com/prjct-samwest/docSlider

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