add two arrays code example

Example 1: combine two arrays javascript

let arr1 = [0, 1, 2];
let arr2 = [3, 5, 7];
let primes = arr1.concat(arr2);

// > [0, 1, 2, 3, 5, 7]

Example 2: merge array in js

//for ES5
var array1 = ["Rahul", "Sachin"];
var array2 = ["Sehwag", "Kohli"];

var output = array1.concat(array2);
console.log(output);

//for ES6, we use spread operators to concat arrays

var array1 = ["Dravid", "Tendulkar"];
var array2 = ["Virendra", "Virat"];

var output = [...array1, ...array2];
console.log(output);

Example 3: javascript concat two arrays

//ES6
const array3 = [...array1, ...array2];

Example 4: join 2 array in javascript

var array1 = ["Vijendra", "Singh"];
var array2 = ["Singh", "Shakya"];

console.log(array1.concat(array2));

Example 5: addition of two arrays

int[] a = {10, 20 30, 40}; int[] b = {25, 50, 75, 100, 125}; int[] sum = new int[b.length];  for (int i = 0; i <= b.length; i++){ 	sum[i] = 0;	 		/*initialize each of the sum values as zeroes, because that's 		what we usually start with*/ 		 	if (i > b.length){  		/*if one array is longer than the other, just add zero the  		remaining elements in the largest array*/ 		sum[i] = b[i] + 0; 	else{ 		sum[i] = a[i] + b[i]; 	} }

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Php Example