Find the largest number in an array JavaScript Tutorial

Pubblicato il: 06 febbraio 2019
sul canale di: Code With Bubb

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In this tutorial, you’ll learn how to find the largest number in an array with JavaScript which is a common coding exercise asked at Junior Developer interviews. Get my free 32 page eBook of JavaScript HowTos 👉 https://bit.ly/2ThXPL3

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He largest number in an array JavaScript problem isn’t something you’re likely needed to do on a day-to-day basis but it does enforce a few useful techniques and makes you think about how to handle data that is passed in to your programs.

You’ll learn how to write a function that will return the largest number in an array JavaScript which will first off use a loop to go through each of the items in the array comparing each one to a stored highest number.

The program to find the largest number in an array in JavaScript with a for loop will be OK but there is a much easier way of doing it using the JavaScript built in reduce function. So in our example, you’ll learn how to solve the problem of how to get the largest number in an array in JavaScript using these handy built in JavaScript functions.

You’ll also see a lot of coding exercises that focus on arrays inside an array of numbers and you need to work out which is the largest number of the array in JavaScript.

To finish off our tutorial, we’ll look at away of ‘flattening’ these arrays so that we can find the largest number in an array within any sub arrays that might be inside our main array.

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