how to concatenate in javscript

var str1 = "Hello ";
var str2 = "world!";
var res = str1.concat(str2);
console.log(res);

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0
Awgiedawgie 440220 points

                                    var aString="";
aString.concat(value1, value2, ... value_n);

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0
4.33
6
Phoenix Logan 186120 points

                                    var one = 'Hello';
var two = 'World';

console.log(one + two);
It will print: HelloWorld

console.log(one + ' ' + two);
It will print: Hello World

4.33 (6 Votes)
0
4.5
2
Awgiedawgie 440220 points

                                    var totn_string = '';

console.log(totn_string.concat('Tech','On','The','Net'));

//The following will be output to the web browser console log:

TechOnTheNet

4.5 (2 Votes)
0
0
7
Awgiedawgie 440220 points

                                        var dest = new String("");
    var src = new String("aze");
    ...
    dest += src + src + src + src + src;

0
0
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