javascript map
const numbers = [2, 4, 6, 8];
const result = numbers.map(a => a * 2);
console.log(result);
//Output: [ 4, 8, 12, 16 ]javascript map
const numbers = [2, 4, 6, 8];
const result = numbers.map(a => a * 2);
console.log(result);
//Output: [ 4, 8, 12, 16 ].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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