JavaScript typedArray.join() Method

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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

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