JavaScript typedArray.join() Method

The typedArray.join() is an inbuilt function in JavaScript which is used to join all the elements of the given typedArray into a string. 

Syntax:

typedArray.join(separator);

Parameters: It accepts a parameter “separator” which is used to separate each element of the typedArray. It is optional and its default value is comma (‘,’). 

Return value: It returns a string containing all the joined elements. 

Example: JavaScript code to show the working of this function.

javascript

// Creating some typedArrays
const A = new Uint8Array([1, 2, 3, 4, 5]);
const B = new Uint8Array([5, 10, 15, 20]);
const C = new Uint8Array([0, 2, 4, 6, ,8, 10]);
const D = new Uint8Array([1, 3, 5, 7, 9]);

// Calling join() function
a = A.join()
b = B.join('/')
c = C.join('+')
d = D.join('&')

// Printing new strings with joined elements
console.log(a);
console.log(b);
console.log(c);
console.log(d);

Output:

1,2,3,4,5
5/10/15/20
0+2+4+6+0+8+10
1&3&5&7&9