Array Destructuring: Extracting and Ignoring Values
Explore how to extract specific values from arrays using JavaScript's array destructuring. Understand how to assign values directly to variables, ignore unwanted elements, and handle cases with fewer or more values than expected for cleaner, simpler code.
We'll cover the following...
Destructuring
Destructuring is an elegant way to extract data from arrays and objects. It removes the excessiveness and repetitiveness of using indexing operators or dots to get to the data within arrays and objects.
This notation takes a bit of getting used to, but soon you’ll be quite comfortable using it in your own code and also recognizing it in code you read.
Array destructuring
Functions typically return a single value: a primitive or an object. There is no elegant way to return multiple values other than returning an array. This makes the code within the function ...