how to check type array code example
Example 1: javascript determine array type
var data = ['a', 'b', 'c']
var isArray = Array.isArray(data)
console.log(isArray)
Example 2: js is of type array
Array.isArray([1, 2, 3]); // true
Array.isArray({foo: 123}); // false
Array.isArray('foobar'); // false
Array.isArray(undefined); // false