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JavaScript Array Iteration Methods

Course Summary

Learn how to access and transform data in arrays with JavaScript's array iteration methods. You'll learn how, why and when to use these powerful methods to make your code easier to read and more concise.

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    Course Syllabus

    Array Iteration

    The most common action you'll need to do with arrays is to look through each of its items. This is called iteration. Let's compare two approaches to iteration: for loops and the forEach method. Then we'll take a closer look at the forEach method. 6 steps
    • JavaScript Array Overview 3:01
    • Arrays Review 5 questions
    • `for` vs forEach() 6:53
    • Examples Using forEach() 5:08
    • forEach() `index` and `array` Parameters 2:04
    • Practice forEach() 1 objective

    Array Manipulation

    Learn the most common iteration methods: filter(), map(), and reduce(). Each one is a tool in your belt, and you'll see when and how to use each one. 6 steps

    Combining Array Methods

    Array methods can be chained together to give you even more power in working with array data. Learn how to combine filter(), map(), and reduce() in different ways to tackle common programming problems. 11 steps

Course Fee:
USD 25

Course Type:


Course Status:



1 - 4 hours / week

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