how to concatenate strings javascript
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.how to concatenate strings javascript
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.string concat in js
let string1 = "Hello"
let string2 = "World"
let finalString = string1 + ", " + string2 + "!" // Hello, World!Copyright © 2021 Codeinu
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