摘要:
不错的文章: https://jakearchibald.com/2015/tasks-microtasks-queues-and-schedules/ 阅读全文
摘要:
function resizeImage(src,callback,w,h){ var canvas = document.createElement("canvas"), ctx = canvas.getContext("2d"), im = new Image(); w = w || 0, h 阅读全文