經(jīng)??吹浇榻Bcall或者apply的文章,然后會(huì)以下面這種代碼來(lái)舉例說(shuō)明 .function identify() { console.log("Hello,I'm " + this.name);}let me = { name: "Kyle"};let you = { name: "Reader"};identify.call(me); // Hello,I'm Kyleidentify.call(you); // Hello,I'm Reader我有點(diǎn)不理解的是,實(shí)際開(kāi)發(fā)的時(shí)候以參數(shù)的形式傳給 indentify(obj) 方法不是更好嗎,// 傳參形式function identify(obj) { console.log("Hello,I'm " + obj.name);}let me = { name: "Kyle"};let you = { name: "Reader"};identify(me); // Hello,I'm Kyleidentify(you); // Hello,I'm Reader那么bind,call,apply一般在實(shí)際項(xiàng)目中什么地方會(huì)用到 ?
bind,call,apply在實(shí)際項(xiàng)目中什么地方會(huì)用到 ?
慕村225694
2018-06-28 14:13:02