javascript typeof array code example

Example 1: if object is array javascript

Array.isArray(object);

Example 2: javascript determine array type

var data = ['a', 'b', 'c']
var isArray = Array.isArray(data)
console.log(isArray)

Example 3: validate array javascript

Array.isArray([1, 2, 3]);  // true
Array.isArray({foo: 123}); // false
Array.isArray('foobar');   // false
Array.isArray(undefined);  // false

Example 4: javascript typeof array

Array.isArray(arr)

Example 5: in javascript check is is an array or not

Array.isArray(yourItem)

Example 6: javascript typeof array

Array.isArray(obj)