array mdn map
let new_array = arr.map(function callback( currentValue[, index[, array]]) {
// return element for new_array
}[, thisArg])array mdn map
let new_array = arr.map(function callback( currentValue[, index[, array]]) {
// return element for new_array
}[, thisArg])mdn .map
const numbers = [1, 5, 10, 15];
const doubles = numbers.map(function(x) {
return x * 2;
});
// doubles is now [2, 10, 20, 30]
// numbers is still [1, 5, 10, 15]js map()
var number = [1, 2 , 3, 4, 5, 6, 7, 8, 9];
var doubles = number.map((n) => { return n*2 })
/* doubles
(9) [2, 4, 6, 8, 10, 12, 14, 16, 18] */Copyright © 2021 Codeinu
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