let list = ['a','b','c'];
let newList = [];
//before
for (let i =0; i<list.length; i++) {
newList.push(list[i]);
}
//after
list.forEach((item) => {
newList.push(item);
});
微信扫一扫
let list = ['a','b','c'];
let newList = [];
//before
for (let i =0; i<list.length; i++) {
newList.push(list[i]);
}
//after
list.forEach((item) => {
newList.push(item);
});
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