1 "use strict" 2 function fn(a,b){ 3 console.log(this) 4 } 5 fn(1, 2) 6 //等价于 7 fn.call(undefined, 1, 2) 8 fn.apply(undefined, [1, 2])
1 "use strict" 2 function fn(a,b){ 3 console.log(this) 4 } 5 fn(1, 2) 6 //等价于 7 fn.call(undefined, 1, 2) 8 fn.apply(undefined, [1, 2])