From the course: Master Next.js: Elaborate Hands-On Web Development, React Basics, Advanced Next.js, and Deployment

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JavaScript interview question trick with function expressions and utility fun

JavaScript interview question trick with function expressions and utility fun

From the course: Master Next.js: Elaborate Hands-On Web Development, React Basics, Advanced Next.js, and Deployment

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JavaScript interview question trick with function expressions and utility fun

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Okay, so we've learned the difference now between writing a function next question is why why would you want to even write a function as? An expression well, we can say that and let's move this terminal down But we could say that function expressions Are helpful when passing a function as an argument to another function and And the job interviewer says, create a JavaScript function that maps functions to each element of an array and returns a new array and provide a cube function, which transforms each result in the array as cubed. So cubed in math, you can always ask in a job interview, you know, you're not supposed to be an arithmetic genius. And so, you know, we have computers that do a lot of stuff. As long as you can demonstrate that you understand the question and you can get the bulk of the result working, it's always good. But, you know, hopefully you remember something squared, it's X times X. If it's cubed, it's gonna be X times X times X, three times, right? So cubed equals…

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