How to convert arrays into CSV format using JavaScript

How to convert arrays into CSV format using JavaScript

This article mainly introduces how JavaScript converts an array to a CSV format. The example shows how javascript converts an array value to a csv string using the valueOf method, which is very useful, for more information, see

 

 

This example describes how JavaScript converts an array to a CSV format. Share it with you for your reference. The specific analysis is as follows:

The valueOf method of the array object in JavaScript can output the value of the array as a comma-separated string. The following Code demonstrates how to replace the array with a comma-separated string and a vertical string.

?

1 2 3 4

Var fruits = ['apple', 'peaches', 'oranges', 'mangoes']; Var str = fruits. valueOf ();   // Output result: apple, peaches, oranges, mangoes

If you want to use a vertical line | split

?

1 2 3 4

Var fruits = ['apple', 'peaches', 'oranges', 'mangoes']; Var str = fruits. join ("| ");   // Print str: apple | peaches | oranges | mangoes

The complete DEMO code is as follows:

?

1 2 3 4 5 6 7 8 9 10 11 12

Click here to convert fruits array to CSV: <Button onclick = "javsacrept: convert ()"> Convert to CSV </button> <Br> <Pre> var fruits = ['apple', 'peaches', 'oranges', 'mangoes']; </Pre> <Script> Function convert (){ Var fruits = ['apple', 'peaches', 'oranges', 'mangoes']; Var str = fruits. valueOf (); Alert (str ); } </Script>

I hope this article will help you design javascript programs.