Check if an object is an array:
const fruits = ["Banana", "Orange", "Apple", "Mango"];
let result = Array.isArray(fruits);
Check if another datatype is an array:
let text = "W3Schools";
let result = Array.isArray(text);
The isArray() method returns true if an object is an array, otherwise false.
Array.isArray() is a static property of the JavaScript Array object.
You can only use it as Array.isArray().
Using x.isArray(), where x is an array will return undefined.
Syntax Parameters Parameter Description obj Required.true if the object is an array, otherwise false. Browser Support
isArray() is an ECMAScript5 (ES5 2009) feature.
JavaScript 2009 is supported in all browsers since July 2013:
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