In today's JavaScript walkthrough we look at, Practice the forEach Method with JavaScript, forEach Explained on Codecademy, Use the forEach Method. This JS video is based on Codecademy's Iterators section, lesson, "The .forEach() Method". This lesson is an introduction to JavaScript Iterator Methods. In it, we learn about the .forEach() method and how it allows us to execute the same block of code for each element in an array. We are shown 3 different ways of doing this. We learn that .forEach() will take an argument of callback function. We learned in previous lessons that a callback function is when we pass a function into another function. This JavaScript walkthrough explanation shows us that .forEach() will loop through an array and execute the callback for every element in our array. The arrow function syntax is also displayed to us and is another acceptable way to utilize .forEach() and we learn we can also define a function beforehand to be used as a callback function and it is valid code. Learn to utilize the .forEach() method and practice using it to iterate through data sets to fully understand its power. Learn JavaScript iterator methods starting with .forEach() and see your JavaScript skills advance like never before!
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