what does map function do javascript code example
Example 1: javascript map array
const myArray = ['Sam', 'Alice', 'Nick', 'Matt'];
const newArray = myArray.map(name => {
return 'My name is ' + name;
});
console.log(newArray);
const anotherArray = myArray.map((value, index) => index + ": " + value);
console.log(anotherArray);
console.log(myArray);
Example 2: how the map function works javascript
const array = [2, 5, 9];
let squares = array.map((num) => num * num);
console.log(array);
console.log(squares);
Example 3: javascript map
The map() method creates a new array with the results of calling a provided function on every element in the calling array.