摘要：
w={"navigator":"hehe"} var handler = { get(target, key,receiver){ console.log("target",target,receiver); return Reflect.has(target, key) ? Reflect.get 阅读全文
摘要：
let testArr = [1,2,3,4,5,6] let a1 = 0 let a2=0 let b1=0 let b2 = 0 // ++在后 console.log(testArr[a1++]) console.log("此时的a1",a1) //++在前 console.log(test 阅读全文