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2:01 am, October 19, 2021

how to join an array in javascript using the join method

This example shows how we can join an array into a string using the join method.

Its a nice quick way to convert your array into a string with a delimiter such as , or ;

Here we can see the test array in console:

And then under it the array converted to a string with the join method.

Basic Join Usage

Here is the basic usage for join, where you can specify the delimiter in the example i have used the comma ,

Javascript

let my_string = my_array.join(",");

how to join an array in javascript using the join method Demo

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how to join an array in javascript using the join method Code

Javascript

/* define the array */
let my_array = ["birds", "frogs", "peanuts"]; 

/* check the array is valid in console */
console.table(my_array); 

/* join the array into a string called my_array_string and add , inbetween each item. */
let my_array_string = my_array.join(",");

/* check if the new string is valid */
console.log(my_array_string);

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