For each function js9/12/2023 We've abstracted the function definition and call in the original code above to just one line! Without a higher order function, if I want to add one to each number in an array and display it in the console, I can do the following: const numbers = įor (let i = 0 i console.log(number + 1)) Let's look at an example of a higher order function Doing one or the other qualifies a function as a higher order function. In this definition, operations can mean taking one or more functions as an argument OR returning a function as the result. Higher Orders Functions are functions that perform operations on other functions. So how can we define a Higher Order Function? Higher Order Functions are exactly that: A higher level of abstraction than your typical functions. We go down into details, but we elevate into a more abstract viewpoint. This high level view indicates more abstraction. We dig down into the details, but sometimes we want a high level view of things. Let's look at the name, and consider how we talk about things.
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