Convert a Char Array to a String

Use join:

string = s.join("");

You do it this way:

var str = s.join();

The join command lets you set the token among the items in the array.

Ex1:

function print(str) {
  $("#result").append("<p>" + str + "</p>");  
}

print(["A", "B", "C"].join()); // "A,B,C"
print(["A", "B", "C"].join("-")); // "A-B-C"
print(["A", "B", "C"].join("||")); // "A||B||C"
print(["A", "B", "C"].join("")); // "ABC"

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="result"></div>

Or use String.

var string = String([1,2,3]);

Convert a Char Array to a String

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