//es6写法
const numbers = [1, 2, 3, 4, 5];
const doubled = numbers.map((number) => number * 2);
console.log(doubled);
[2, 4, 6, 8, 10]
to the console.
// javaScript写法
numbers.map(function (number) {
return number * 2;
});
//es6写法
const numbers = [1, 2, 3, 4, 5];
const doubled = numbers.map((number) => number * 2);
console.log(doubled);
[2, 4, 6, 8, 10]
to the console.
// javaScript写法
numbers.map(function (number) {
return number * 2;
});