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In this article Xiaobian for you to introduce in detail "JavaScript array elements can be objects", detailed content, clear steps, details handled properly, I hope that this "JavaScript array elements can be objects?" the article can help you solve doubts, the following follow the editor's ideas slowly in-depth, together to learn new knowledge.

Array elements can be objects

The JavaScript variable can be an object. Arrays are special types of objects.

Because of this, you can store different types of variables in the same array.

You can save objects in an array. You can save functions in an array. You can even save arrays in arrays:

MyArray [0] = Date.now

MyArray [1] = myFunction

MyArray [2] = myCars

Array properties and methods

The true power of the JavaScript array lies in the properties and methods of the array:

Example

Var x = cars.length; / / length attribute returns the number of elements

Var y = cars.sort (); / / sort () method to sort the array

Length attribute

The length property returns the length of the array (the number of array elements).

Example

Var fruits = ["Banana", "Orange", "Apple", "Mango"]

The length of fruits.length; / / fruits is 4

The length property is always greater than the highest array index (subscript).

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