Introduction to JavaScript: First Steps/

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for-loops, continued

for-loops, continued

Learn how to repeat a set of code as many times as you like, without using functions. For-loops are a fundamental part of every programming language. We'll see how to write them and how to use them with arrays.

We'll cover the following...

Refactoring our Code

For-loops are one of the few places with a single letter name is acceptable. Instead of index, it’s common practice to use i or j. Let’s refactor our code from the previous lesson.

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Javascript (babel-node)
for(let i = 0; i < 10; i = i + 1) {
    console.log(i);
}

It’s also common to see ...