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<script>let fengfeng = "枫枫"console.log(this)// alert("123")function get() {console.log("get", this, arguments)}const set = ()=>{console.log("set", this)}const obj = {name: "fengfeng",get: get,set: set,}get()obj.get()set()obj.set()// 改变thisget.call(obj, 1,2,3)get.apply(obj, [1,2,3])get.bind(obj, 1,2,3)(4,5,6)// 箭头函数没有办法修改this指向set.call(obj, 1,2,3)set.apply(obj, [1,2,3])set.bind(obj, 1,2,3)(4,5,6)</script>
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