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How to convert JavaScript Array to comma separated string?

In this small post, let’s take a look at how to convert an array of elements to a CSV string in JavaScript.

You can use Array.prototype.join() method to join the array elements with a special character and convert it to CSV.

var cities = ["New York", "Manchester", "Sydney"];
let csv = cities.join(",");
console.log(csv); 
//New York,Manchester,Sydney

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