By 05/02/2014 4 Comments

How to Convert a JavaScript Array into the Comma Seperated Value (CSV) format in Javascript

What is CSV ?

  • It stands for comma separated values
  • These are different multiple values with comma separation (e.g php, javascript, asp, facebook etc)
  • It is also called CSV file, that means that file’s extension is .csv and it contains comma separated values or data


  • This method is used to convert a javascript array into the CSV format
  • this function associated with an array object

Following code snippet Convert a JavaScript Array into the Comma Seperated Value (CSV) format.



var arr = ['abc', 'bcd', 'cde', 'def']; // initialize an array contains string values

var str = arr.valueOf(); // valueOf() method called by an array arr, assign to str variable

document.write(str); // display output


You can also use the pipe (|) instead of commas, For this you have to use the join() method.


var arr = ['abc', 'bcd', 'cde', 'def'];

var str = arr.join("|"); // join strings between pipe (|) symbol



Posted in: JavaScript

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