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
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