“Stringconat in JS” Code-Antworten

wie man Strings JavaScript verkettet


var str1 = "Hello ";
var str2 = "world!";
var res = str1.concat(str2);
// does not change the existing strings, but
// returns a new string containing the text
// of the joined strings.
Misty Mandrill

String -Verkettung in JS

var str1 = "Hello ";
var str2 = "world!";
var res = str1.concat(str2);
console.log(res);
JavascriptNinja

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
Creepy Gábor

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"
Tired Toucan

JavaScript String concat vs

It is strongly recommended to use the string
concatenationoperators (+, +=) instead of String.concat
method for perfomance reasons
TC5550

Stringconat in JS

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

let finalString = string1 + ", " + string2 + "!" // Hello, World!
Nervous Narwhal

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