anyways for of can modify an array javascript code example
Example 1: modify array elements javascript
Using a FOR loop, write a function addNumber which adds the argument n to each
number in the array arr and returns the updated arr:
const addNumber=(arr, n)=>{
let arr1=[];
for(let i=0;i<Math.max(arr.length);i++){
arr1.push((arr[i]||0)+n)
}
return arr1;
}
console.log(addNumber([4, 5, 6], 7));
Example 2: 6 ways to modify an array javascript
let browsers = ['chrome', 'firefox', 'edge'];
browsers.unshift('safari');
console.log(browsers);
let browsers = ['chrome', 'firefox', 'edge'];
browsers.push('safari');
console.log(browsers);
let browsers = ['chrome', 'firefox', 'edge'];
browsers.shift();
console.log(browsers);
let browsers = ['chrome', 'firefox', 'edge'];
browsers.pop();
console.log(browsers);
var fruits = ["Banana", "Orange", "Apple", "Mango"];
function myFunction() {
fruits.splice(3, 0, "Lemon", "Kiwi");
document.getElementById("demo").innerHTML = fruits;
}
var fruits = ["Banana", "Orange", "Apple", "Mango"];
function myFunction() {
fruits.splice(2, 1);
document.getElementById("demo").innerHTML = fruits;
}