✖
var a = ["a", "b", "c"];
for (var i = 0, len = a.length; i < len; i++) (function (item, index) {
print([item, index])
})(a[i], i);
var a = ["a", "b", "c"];
for (var i = 0, len = a.length; i < len; i++) (function (item, index) {
print([item, index])
})(a[i], i);