string concatenation in js
var str1 = "Hello ";
var str2 = "world!";
var res = str1.concat(str2);
console.log(res);string concatenation in js
var str1 = "Hello ";
var str2 = "world!";
var res = str1.concat(str2);
console.log(res);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 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 twojavascript string concat vs +
It is strongly recommended to use the string
concatenationoperators (+, +=) instead of String.concat
method for perfomance reasonsjs concatenate strings
const str1 = 'Hello';
const str2 = 'World';
console.log(str1 + str2);
>> HelloWorld
console.log(str1 + ' ' + str2);
>> Hello WorldCopyright © 2021 Codeinu
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