how to push two values in array at once
let arr = [];
arr.push(1);
arr.push(2);
console.log(arr);
result [1, 2]how to push two values in array at once
let arr = [];
arr.push(1);
arr.push(2);
console.log(arr);
result [1, 2]how to add multiple elements to A new array javascript
let vegetables = ['parsnip', 'potato']
let moreVegs = ['celery', 'beetroot']
// Merge the second array into the first one
// Equivalent to vegetables.push('celery', 'beetroot')
Array.prototype.push.apply(vegetables, moreVegs)
console.log(vegetables) // ['parsnip', 'potato', 'celery', 'beetroot']sum of two array in javascript
function sumArrays(...arrays) {
const n = arrays.reduce((max, xs) => Math.max(max, xs.length), 0);
const result = Array.from({ length: n });
return result.map((_, i) => arrays.map(xs => xs[i] || 0).reduce((sum, x) => sum + x, 0));
}
console.log(...sumArrays([0, 1, 2], [1, 2, 3, 4], [1, 2])); // 2 5 5 4Copyright © 2021 Codeinu
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