lazyload-script

LazyLoad is a lightweight, flexible script that speeds up your website by deferring the loading of your below-the-fold images, backgrounds, videos, iframes and scripts to when they will enter the viewport. Written in plain "vanilla" JavaScript, it leverages IntersectionObserver, supports responsive images and enables native lazy loading.

A fast, flexible, and small SEO-friendly lazy loader.

Lazyload images or lazy execute scripts. （图片脚本懒加载）

This is a wrapper over codemirror native code, written to use in angular2 application.