JavaScript Array includes()
Examples
const fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.includes("Mango");
Try it Yourself »
fruits.includes("Mango");
Start the search at position 3:
const fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.includes("Banana", 3);
Try it Yourself »
fruits.includes("Banana", 3);
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.
The value to search for.
start
Optional.
Start position. Default is 0.
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 feature.
ES 2016 is supported in all modern browsers:
| Chrome | Edge | Firefox | Safari | Opera |
| Yes | Yes | Yes | Yes | Yes |