JavaScript preprocessors can help make authoring JavaScript easier and more convenient. For instance, CoffeeScript can help prevent easy-to-make mistakes and offer a cleaner syntax and Babel can bring ECMAScript 6 features to browsers that only support ECMAScript 5.
Any URL's added here will be added as <script>
s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.
You can apply a script from anywhere on the web to your Pen. Just put a URL to it here and we'll add it, in the order you have them, before the JavaScript in the Pen itself.
If the script you link to has the file extension of a preprocessor, we'll attempt to process it before applying.
You can also link to another Pen here, and we'll pull the JavaScript from that Pen and include it. If it's using a matching preprocessor, we'll combine the code before preprocessing, so you can use the linked Pen as a true dependency.
HTML Settings
Here you can Sed posuere consectetur est at lobortis. Donec ullamcorper nulla non metus auctor fringilla. Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.
<div id="page">
<div class="wrapper">
<div class="bottom">
<!-- images got deleted :'( -->
<!-- <img src="http://i67.tinypic.com/2eo86ew.jpg" draggable="false"/> -->
</div>
<div class="middle">
<!-- <img src="http://i64.tinypic.com/15i68sz.jpg" draggable="false"/> -->
</div>
<div class="scroller scroller-middle">
<svg class="scroller__thumb" xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><polygon points="0 50 37 68 37 32 0 50" style="fill:#FFCCBC"/><polygon points="100 50 64 32 64 68 100 50" style="fill:#FFCCBC"/></svg>
</div>
<div class="top">
<img src="http://i64.tinypic.com/2ppni55.jpg" draggable="false"/>
</div>
<div class="scroller scroller-top">
<svg class="scroller__thumb" xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><polygon points="0 50 37 68 37 32 0 50" style="fill:#FFAB91"/><polygon points="100 50 64 32 64 68 100 50" style="fill:#FFAB91"/></svg>
</div>
</div>
</div>
/* You can remove this page div in your website */
#page{
width:100%;
height:100%;
position:absolute;
background:#eee;
}
/* Our normalize css */
*{
margin:0;
box-sizing: border-box;
-webkit-touch-callout: none;
-webkit-user-select: none;
-khtml-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}
/* Our wrapper */
.wrapper{
width: 690px;
height: 600px;
max-height:100vh;
position: absolute;
left:50%;
top:50%;
transform:translate3d(-50%,-50%,0);
overflow:hidden;
box-shadow: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
}
/* Our image information */
.bottom,
.middle,
.top {
width:100%;
height:100%;
background-repeat:no-repeat;
background-color: white;
background-size: cover;
background-position: center;
position: absolute;
top:0;
left:0;
pointer-events:none;
overflow: hidden;
img {
height:100%;
}
}
.bottom{
background: #2196f3;
}
.middle {
background: #bbdefb;
}
.top{
background: #ffffff;
}
.top{
width:125px;
}
.scroller{
width: 50px;
height:50px;
position: absolute;
left:100px;
top:50%;
transform:translateY(-50%);
border-radius:50%;
background-color: #fff;
opacity:0.9;
transition: opacity 0.12s ease-in-out;
pointer-events:auto;
cursor: pointer;
box-shadow: 3.5px 0px 7px rgba(100, 100, 100, 0.2);
}
.scroller-middle{
margin-top:25px;
}
.scroller-top{
margin-top:-25px;
}
.scroller:hover{
opacity:1;
}
.scrolling{
pointer-events:none;
opacity:1;
// z-index: 1;
}
.scroller__thumb{
width:100%;
height:100%;
border-radius:50%;
padding: 7px;
}
.scroller:before,
.scroller:after{
content:" ";
display: block;
width: 7px;
height: 9999px;
position: absolute;
left: 50%;
margin-left: -3.5px;
z-index: 30;
transition:0.1s;
box-shadow: 3.5px 0px 7px rgba(100, 100, 100, 0.2);
}
.scroller:before{
top:49px;
}
.scroller:after{
bottom:49px;
}
/* If you want to cahnge the colors, make sure you change the fill in the svgs to match */
.scroller-middle>.scroller__thumb{
border: 5px solid #FFCCBC;
}
.scroller-middle:before,
.scroller-middle:after{
background: #FFCCBC;
}
.scroller-top>.scroller__thumb{
border: 5px solid #FFAB91;
}
.scroller-top:before,
.scroller-top:after{
background: #FFAB91;
}
// I hope this over-commenting helps. Let's do this!
// Let's use the 'active' variable to let us know when we're using it
let active = false;
// and define our dom elements to make it easier to read
let scrollerMiddle = document.querySelector('.scroller-middle');
let scrollerTop = document.querySelector('.scroller-top');
// First we'll have to set up our event listeners
// We want to watch for clicks on our scroller
scrollerMiddle.addEventListener('mousedown',function(){
active = "middle";
// Add our scrolling class so the scroller has full opacity while active
scrollerMiddle.classList.add('scrolling');
});
// We also want to watch the body for changes to the state,
// like moving around and releasing the click
// so let's set up our event listeners
document.body.addEventListener('mouseup',function(){
active = false;
scrollerMiddle.classList.remove('scrolling');
});
document.body.addEventListener('mouseleave',function(){
active = false;
scrollerMiddle.classList.remove('scrolling');
});
// We'll have to do the same for our top scroller
scrollerTop.addEventListener('mousedown',function(){
active = "top";
scrollerTop.classList.add('scrolling');
});
document.body.addEventListener('mouseup',function(){
active = false;
scrollerTop.classList.remove('scrolling');
});
document.body.addEventListener('mouseleave',function(){
active = false;
scrollerTop.classList.remove('scrolling');
});
// Let's figure out where their mouse is at
document.body.addEventListener('mousemove',function(e){
if (!active) return;
// Their mouse is here...
let x = e.pageX;
// but we want it relative to our wrapper
x -= document.querySelector('.wrapper').getBoundingClientRect().left;
// Okay let's change our state
scrollIt(x);
});
// Let's use this function
function scrollIt(x){
// Calculate our transform
let transform = Math.max(0,(Math.min(x,document.querySelector('.wrapper').offsetWidth)));
// we show all our bottom image but how much of our middle and top,
// that'll depend on what we're dragging
// if we're dragging the middle slider
if (active==="middle"){
document.querySelector('.middle').style.width = transform+"px";
scrollerMiddle.style.left = transform-25+"px";
// if we're using scroller-middle, middle must always be to the right of top
if (scrollerTop.getBoundingClientRect().left>scrollerMiddle.getBoundingClientRect().left-5){
document.querySelector('.top').style.width = transform-5+"px";
scrollerTop.style.left = transform-30+"px";
}
}
// if we're dragging the top slider
if (active==="top"){
document.querySelector('.top').style.width = transform+"px";
scrollerTop.style.left = transform-25+"px";
// if we're using scroller-top, top must always be to the left
if (scrollerTop.getBoundingClientRect().left>scrollerMiddle.getBoundingClientRect().left-5){
document.querySelector('.middle').style.width = transform+5+"px";
scrollerMiddle.style.left = transform-20+"px";
}
}
}
// Let's set our opening state based off the width,
// we want to show a bit of both images so the user can see what's going on
active = "middle";
scrollIt(460);
active = "top";
scrollIt(230);
active = false;
// And finally let's repeat the process for touch events
// first our middle scroller...
scrollerMiddle.addEventListener('touchstart',function(){
active = "middle";
scrollerMiddle.classList.add('scrolling');
});
document.body.addEventListener('touchend',function(){
active = false;
scrollerMiddle.classList.remove('scrolling');
});
document.body.addEventListener('touchcancel',function(){
active = false;
scrollerMiddle.classList.remove('scrolling');
});
// then scroller top, our second scroller
scrollerTop.addEventListener('touchstart',function(){
active = "top";
scrollerTop.classList.add('scrolling');
});
document.body.addEventListener('touchend',function(){
active = false;
scrollerTop.classList.remove('scrolling');
});
document.body.addEventListener('touchcancel',function(){
active = false;
scrollerTop.classList.remove('scrolling');
});
document.querySelector('.wrapper').addEventListener('touchmove',function(e){
if (!active) return;
e.preventDefault();
let x = e.touches[0].pageX;
x -= document.querySelector('.wrapper').getBoundingClientRect().left;
scrollIt(x);
});
Also see: Tab Triggers