Typed Array includes()
Examples
// Create a Typed Array
const myArr = Int16Array.from([10,15,20,25,30,35,40,45,50]);
// Search for an element with a value of 20
let result = myArr.indexOf(20);
Try it Yourself »
// Create a Typed Array
const myArr = Int16Array.from([10,15,20,25,30,35,40,45,50]);
// Search for an element with a value of 20
let result = myArr.indexOf(20, 3);
Try it Yourself »
Description
The includes() method returns true
if a typed array contains a specified value.
The includes() method returns false if the value is not found.
The includes() method is case sensitive.
Syntax
typed-array.includes(element, start)
|
typed-array must be one of the following: Int8ArrayUint8Array Uint8ClampedArray Int16Array Uint16Array Int32Array Uint32Array Float16Array Float32Array Float64Array BigInt64Array BigUint64Array |
Parameters
| Parameter | Description |
| element | Required. The value to search for. |
| start | Optional. Start position. Default is 0. |
Return Value
| Type | Description |
| A boolean |
true if the value is found, otherwise false. |
Typed Array Find Methods:
| Method | Finds |
|---|---|
| includes() | Returns true if an element is present in the array |
| indexOf() | The index of the first element with a specified value |
| lastIndexOf() | The index of the last element with a specified value |
| find() | The value of the first element that passes a test |
| findIndex() | The index of the first element that passes a test |
| findLast() | The value of the last element that passes a test |
| findLastIndex() | The index of the last element that passes a test |
JavaScript Typed Arrays
Browser Support
typed-array.includes() is a JavaScript 2016 feature.
ES 2016 is supported in all modern browsers since March 2017:
| Chrome | Edge | Firefox | Safari | Opera |
| Yes | Yes | Yes | Yes | Yes |
