<body>
<img src="img/loading.gif" Lan="img/photo.jpg">
<script src="dist/lan.js"></script>
<script>
Lan.init({
callback: function (element, op) {
console.log(element, 'has been', op + 'ed')
}
});
// Lan.render();
// 也可用于非滚动回调
// is also available for non-scroll callbacks
</script>
</body>offset: 100,
throttle: 250,
unload: false,
callback: function
MIT