how to use the map method in javascript
const numbers = [1, 2, 3, 4, 5];
const bigNumbers = numbers.map(number => {
return number * 10;
});how to use the map method in javascript
const numbers = [1, 2, 3, 4, 5];
const bigNumbers = numbers.map(number => {
return number * 10;
});map and set in javascript
map.keys() // The keys() method returns the keysmap and set in javascript
const map = new Map([
[1970, 'bell bottoms'],
[1980, 'leg warmers'],
[1990, 'flannel'],
])map and set in javascript
map.values() // The values() method returns the values:map and set in javascript
// Map
Map.prototype.forEach((value, key, map) = () => {}
// Array
Array.prototype.forEach((item, index, array) = () => {}Copyright © 2021 Codeinu
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