<!DOCTYPE html>
<html>
<head>
<title>Layzr Demo</title>
<script src="node_modules/layzr.js/dist/layzr.js"></script>
<style>
.row {
margin: 50px 0;
height: 500px;
}
.border {
padding: 10px;
border-style: solid;
border-width: 3px;
border-color: blue;
}
</style>
</head>
<body>
<div class="wrapper">
<div class="row">
<img src="./bg.png" data-layzr="http://blog.fens.me/wp-content/uploads/2015/02/marked.png">
</div>
<div class="row">
<img src="./bg.png" data-layzr="http://blog.fens.me/wp-content/uploads/2015/03/buffer.png">
</div>
<div class="row">
<img src="./bg.png" data-layzr="http://blog.fens.me/wp-content/uploads/2015/02/express4.png">
</div>
<div class="row">
<img src="./bg.png" data-layzr="http://blog.fens.me/wp-content/uploads/2015/03/child_process.png">
</div>
<div class="row">
<img src="./bg.png" data-layzr="http://blog.fens.me/wp-content/uploads/2015/03/crypto.png">
</div>
<div class="row">
<img src="./bg.png" data-layzr="http://blog.fens.me/wp-content/uploads/2014/02/architect.png">
</div>
<div class="row">
<img src="./bg2.png" data-layzr="http://blog.fens.me/wp-content/uploads/2013/08/seo-title.png">
</div>
</div>
<script>
var layzr = new Layzr({
selector: '[data-layzr]',
attr: 'data-layzr',
retinaAttr: 'data-layzr-retina',
threshold: 10,
callback: function () {
console.log(this);
this.classList.add('border');
}
});
</script>
</body>
</html>