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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]

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javascript merge array

// ES5 version use Array.concat:
let array1 = ["a", "b"]
let array2 = ["1", "2"]
let combinedArray = array1.concat(array2);
// combinedArray == ["a", "b", "1", "2"]

// ES6 version use destructuring:
let array1 = ["a", "b"]
let array2 = ["1", "2"]
let combinedArray = [...array1, ...array2]
// combinedArray == ["a", "b", "1", "2"]

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join two array

var arr1 = new int[]{1,2,3,4,5,6};
var arr2 = new int[]{7,8,9,0};
var joinedArray = arr1.Concat(arr2);

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javascript concat two arrays

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

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join 2 array in javascript

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

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

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join 2 array in javascript

const array1 = ["Vijendra","Singh"];
const array2 = ["Singh", "Shakya"];
const array3 = [...array1, ...array2];

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combine 2 arrays javascript

//ES6 using the spread operator
const itemsA = [ 'Lightsaber', 'Mockingjay pin', 'Box of chocolates' ];
const itemsB = [ 'Ghost trap', 'The One Ring', 'DeLorean' ]
const allItems = [ ...itemsA, ...itemsB ];

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join two arrays in js

const array1 = ["Vijendra","Singh"];
const array2 = ["Singh", "Shakya"];
const array3 = [...array1, ...array2];
// [ "Vijendra", "Singh", "Singh", "Shakya" ]

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javascript how to merge arrays

const arrFirst = ['string1', 'string2'];
const arrSecond = ['string3','string4'];

const newArr = [...arrFirst, ...arrSecond];

console.log(newArr);

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js join two arrays

[1,2,3].concat([4,5,6])
// [1,2,3,4,5,6]

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js combine two arrays

const letters = ['a', 'b', 'c'];
const numbers = [1, 2, 3];

letters.concat(numbers);
// result in ['a', 'b', 'c', 1, 2, 3]

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javascript combining arrays

let arr1 = ['1', '2'];
let arr2 = ['3', '4'];

let combarr = [].concat(arr1); //define new variable, empty array then concatenating arr1 to it
combarr = combarr.concat(arr2); //combarr = itself, then concatenating arr2 to the end
console.log(combarr); //Expected output: ['1','2','3','4']

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JavaScript concate or merge two Arrays

<!DOCTYPE html>
<html>
<body>
<p>We will see after clicking the button how two array will join</p>
<button onclick="concateTwoArray()" id="btnClick">Click</button>
<p id="pId"></p>
<script>
function concateTwoArray() {
var twoDay= ["Sunday", "Monday"];
var fiveDay= ["Tuesday", "Wednsday","Thursday", "Friday","Saturday"];
var totalDay = twoDay.concat(fiveDay);
document.getElementById("pId").innerHTML = totalDay ;
}
</script>
</body>
</html>

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javascript Merging Arrays

const myGirls = ["Cecilie", "Lone"];
const myBoys = ["Emil", "Tobias", "Linus"];

const myChildren = myGirls.concat(myBoys);

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array merge in javascript

function mergeArrays(arr1, arr2) {
  return Array.from(new Set(arr1.concat(arr2).sort((a,b) => (a-b))));
}

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concatenate arrays javascript

function solution(a, b) {
    return a.concat(b);
}

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joining two array

//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"];

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how join two array in javascript

concate two array

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join two arrays in one array

Join multiple arrays into one array

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