JavaScript String.prototype.concat() - String Concatenation Explained with Examples

The concat() method combines the text of two or more strings and returns a new string.

Syntax

str.concat(string2[,..., stringN]);

Parameters

string2…string N The strings which are to be concatenated to this String.

MDN Link

Description

The concat() method combines the text of two or more strings and returns the concatenated string. It does not modify the original strings.

Examples

Concatenating strings

    var str1 = "Hello";
    var str2 = "World";
    console.log(str1.concat(str2));
    // Console will output: HelloWorld

    var str2 = "Hello, ";
    console.log(str2.concat(" Welcome ", "to FCC."));
    // Console will output: Hello, Welcome to FCC.