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 in js
// A function which returns the last character of a given string
function returnLast(arr) {
return arr.at(-1);
}
let invoiceRef = 'myinvoice01';
console.log( returnLast(invoiceRef) );
// Logs: '1'
invoiceRef = 'myinvoice02';
console.log( returnLast(invoiceRef) );
// Logs: '2'Copyright © 2021 Codeinu
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