javaScript Arrays and Objects | Learn and Code

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JavaScript variables can be objects. Arrays are special kinds of objects.

Because of this, you can have variables of different types in the same Array.

The real strength of JavaScript arrays are the built-in array properties and methods.
The length property of an array returns the length of an array (the number of array elements).

The safest way to loop through an array, is using a for loop.

The easiest way to add a new element to an array is using the push() method.
Adding elements with high indexes can create undefined "holes" in an array.

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