How to use objects and arrays in JavaScript code to output data

Updating Objects and Arrays

How to use objects and arrays in JavaScript code to output data.

Arrays have a data type of object within JavaScript. Although arrays and objects have different properties in the code, and different ways to interact with the contents of these data objects.

They both share the way that they are held within the browser, the data is stored in a memory location which is different from the value if assigned to the variable. This is why we can use const to declare the variable that is assigned to the object and still select the contents and make updates to the data within.

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