nodejs add string to string code example

Example 1: javascript string concat vs +

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

Example 2: append string js

var s = "1"
s += "2"

Example 3: javascript add to string

var s = 'hell'
s = s + 'o'

Example 4: string concat in js

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

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