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IDBKeyRange: includes() method

The includes() method of the IDBKeyRange interface returns a boolean indicating whether a specified key is inside the key range.

Note: This feature is available in Web Workers

Syntax

js

includes(key)

Parameters

key

The key you want to check for in your key range. This can be any type.

Return value

A boolean value.

Exceptions

DataError DOMException

Thrown if the supplied key was not a valid key.

Examples

js

const keyRangeValue = IDBKeyRange.bound("A", "K", false, false);

keyRangeValue.includes("F");
// Returns true

keyRangeValue.includes("W");
// Returns false

Specifications

Specification
Indexed Database API 3.0
# ref-for-dom-idbkeyrange-includes①

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
includes 52 79 47 No 39 10.1 52 52 47 41 10.3 6.0

See also

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https://developer.mozilla.org/en-US/docs/Web/API/IDBKeyRange/includes