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JavaScript JavaScript Loops, Arrays and Objects Tracking Multiple Items with Arrays Iterating through an Array

For Loops and Arrays in Javascript

Hey, i was wondering if you can help to understand how to exactly iterate through a list of values in an array using a for loop?

var temperatures = [100,90,99,80,70,65,30,10];
for(var i = 100; i < temperatures.length; i -= 1) {
<!DOCTYPE html>
  <meta charset="utf-8">
  <title>JavaScript Loops</title>
<script src="script.js"></script>

1 Answer

Your issue is in the loop conditions. You want your counter to retrieve the corresponding array position, so it's easiest to start with 0, which will correspond to the first item in your array. It is worth reading through this: https://www.w3schools.com/js/js_loop_for.asp

This will answer your question correctly, but it's worth understanding for loops.

var temperatures = [100,90,99,80,70,65,30,10];
for(i = 0; i < temperatures.length; i++){