String concat()
str1.concat(str2)
str1.concat(str2, str3)
str1.concat(str2, str3, str4, .., strN)
str1
,str2
,str3
,..strN
are strings
concat() method takes one or more strings as arguments, concatenates them with the calling string, and returns the resulting string. original string str
is not modified.
Examples
1. concatenate two strings
let str1 = 'apple';
let str2 = 'banana';
let output = str1.concat(str2);
console.log(output);
2. concatenate three strings
let str1 = 'apple';
let str2 = 'banana';
let str3 = 'cherry';
let output = str1.concat(str2, str3);
console.log(output);