JavaScript Array includes()
Examples
const fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.includes("Mango");
Try it Yourself »
Start the search at position 3:
const fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.includes("Banana", 3);
Try it Yourself »
Description
The includes() method returns true
if an array contains a specified value.
The includes() method returns false if the value is not found.
The includes() method is case sensitive.
Array Find Methods:
| Method | Finds |
|---|---|
| includes() | Returns true if an array contains a specified value |
| 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 |
Syntax
array.includes(element, start)
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. |
Array Tutorials:
Browser Support
includes() is a JavaScript 2016.
ES 2016 is supported in all modern browsers:
| Chrome | Edge | Firefox | Safari | Opera |
| Yes | Yes | Yes | Yes | Yes |
