Joining two strings with a comma and space between them

javascript string whitespace string-concatenation comma

Simply

return str1 + ", " + str2;

If the strings are in an Array, you can use Array.prototype.join method, like this

var strings = ["a", "b", "c"];console.log(strings.join(", "));

Output

a, b, c

javascript string whitespace string-concatenation comma

try this:

 function test(str1, str2) {     var res = str2 + ',' + str1;     return res; }

javascript string whitespace string-concatenation comma

That's it:

strings = ["str1", "str2"]; strings.join(", ");

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