isArray

Using

This function determines whether the given value is a real array.

• Returns true if the value is an actual array created via [], new Array(), Array.from(), etc.
• Returns false for non-array types and array-like objects (e.g., arguments, NodeList, or { length: 2 }).

Demo - use JSON

isArray(
 
)

true

Arguments

Argument	Type	Description	Example
value	unknown	Can be any type	"text" 2 undefined

Returns

boolean — true if value is an array, false otherwise

Examples

isArray([]);
// true

isArray([1, 2, 3]);
// true

isArray(new Array());
// true

isArray('hello');
// false

isArray({ length: 2 });
// false

isArray(document.querySelectorAll('div'));
// false

isArray(Object.create(Array.prototype));
// false

isArray(() => [true]);
// false

Resources

📦 Since:1.3.0

📦 Last updated:1.3.0

📦 Available in:1.3.0

Source codeCode sandbox