While-loops

While-loops are another tool in our toolbelt. They’re used less frequently than for-loops.

Let’s see how to do the same thing we did in the previous lesson with a while-loop. We want to log the numbers 0 - 9 to the console.

Structure

While-loops have a different structure.

while(/*condition*/) {
    // body
}

They take in only one piece of information, the condition. We have to do the other parts ourselves. To make this while loop equivalent to our for-loop from the previous lesson: