select data in array js code example

Example 1: js copy part of array

// The slice function copies parts of an array and 
// do therefore not change the default array

let arr = ["apple", "kiwi", "banana", "pear"];

let newArray = arr.slice(1, 2)

console.log(newArray); // output : kiwi

Example 2: javascript get first element of array

alert(ary[0])