Answers for "concat() in js"

12

string concatenation in js

var str1 = "Hello ";
var str2 = "world!";
var res = str1.concat(str2);
console.log(res);
Posted by: Guest on April-28-2020
14

string concat javascript

//This method adds two or more strings and returns a new single string.

let str1 = new String( "This is string one" ); 
let str2 = new String( "This is string two" ); 
let str3 = str1.concat(str2.toString());
console.log("str1 + str2 : "+str3)

output:
str1 + str2 : This is string oneThis is string two
Posted by: Guest on November-23-2020
1

js concat string

const str1 = 'Hello';
const str2 = 'World';

console.log(str1.concat(' ', str2));
// expected output: "Hello World"

console.log(str2.concat(', ', str1));
// expected output: "World, Hello"
Posted by: Guest on October-07-2020
1

how the concat function works javascript

var arr = [1, 2, 3, 4];
var arr2 = [5, 6, 7, 8];

const both = arr.concat(arr2);

console.log(both);
//[1, 2, 3, 4, 5, 6, 7, 8]
Posted by: Guest on April-07-2020
0

javascript concat

const num1 = [2, 4, 5, 3, 8, 9, 11, 33, 44];
const num2 = [22, 33, 44, 55, 66, 77, 88];

const concatNumbers = num1.concat(num2)
console.log(concatNumbers)
//Expected output:
/*[
2, 4, 5, 3, 8, 9,
    11, 33, 44, 22, 33, 44,
    55, 66, 77, 88
 ]
*/
Posted by: Guest on September-17-2021
0

string concat in js

let string1 = "Hello"
let string2 = "World"

let finalString = string1 + ", " + string2 + "!" // Hello, World!
Posted by: Guest on November-21-2020

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