isNative
INFO
This function is only available in es-toolkit/compat
for compatibility reasons. It either has alternative native JavaScript APIs or isn't fully optimized yet.
When imported from es-toolkit/compat
, it behaves exactly like lodash and provides the same functionalities, as detailed here.
Checks if value
is a native function.
A native function is a function that is implemented in the JavaScript engine itself, such as Array.prototype.map
, Object.keys
, or Function.prototype.bind
.
Signature
typescript
function isNative(value: unknown): boolean;
Parameters
value
(unknown
): The value to check.
Returns
(boolean
): Returns true
if value
is a native function, else false
.
Examples
typescript
import { isNative } from 'es-toolkit/compat';
console.log(isNative(Array.prototype.push)); // => true
console.log(isNative(function () {})); // => false
console.log(isNative(Math.max)); // => true
console.log(isNative(() => {})); // => false