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JavaScript typedArray.indexOf() Method

JavaScript typedArray.includes() Method

Last Updated : 10 Feb, 2023

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The typedArray.includes() is an inbuilt function in JavaScript which is used to check whether a particular element is included by the given typedArray or not and accordingly it returns true and false.

Syntax:

typedarray.includes(Element, Index);

Parameters: It accepts two parameter which are specified below-

Element: It is the element which are being searched in the typedArray.
Index: It is the index of the element in the typedArray form where search should start. Its default value is zero (0) and it is optional.

Return value: It returns a boolean value true if the element is present in the given typedArray otherwise returns false.

Example 1:

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 include() function 
a = A.includes(2) 
b = B.includes(15, 1) 
c = C.includes(6) 
d = D.includes(9, 1) 
  
// Printing true or false, either the element 
// is present in the typedArray or not 
console.log(a); 
console.log(b); 
console.log(c); 
console.log(d);
 
  

Output:

true  true  true  true

Example 2:

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 include() function 
a = A.includes(6) 
b = B.includes(21, 1) 
c = C.includes(6, 4) 
d = D.includes(0) 
  
// Printing true or false, either the element 
// is present in the typedArray or not 
console.log(a); 
console.log(b); 
console.log(c); 
console.log(d);
 
  

Output:

false  false  false  false

JavaScript typedArray.indexOf() Method

K

Kanchan_Ray

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Article Tags :

JavaScript
Web Technologies
JavaScript-Methods
javascript-typedArray

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