In JavaScript how to detect weather the type is Array or Object? [duplicate]

Question

I need to know how to check the variable if its an Array or its an Object

var arr = ['foo', 'bar'];
var obj = {
  0: 'foo',
  1: 'bar'
}

document.write('arr is an: ' + typeof arr + ', obj is an: ' + typeof obj)

// The result is always:
// arr is an: object, obj is an: object

Is there any way to tell the difference between the two types?

sahbeewah · Accepted Answer · 2016-02-23 13:11:19Z

2

Array.isArray(arr) will return true. Array.isArray(obj) will return false.

answered Feb 23, 2016 at 13:11

sahbeewah

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1 Comment

Mustafa Dwaikat Over a year ago

Thanks that was really helpful

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