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JavaScript JavaScript and the DOM (Retiring) Getting a Handle on the DOM Selecting Multiple Elements

Need help solving this task. Task 1

I have no clue how to use 'for loop'. It has just been introduced without any explanation. I am really struggling with the DOM course. specially this task. don't where to begin

js/app.js
var listItems = document.getElementById('rainbow');
var colors = ["#C2272D", "#F8931F", "#FFFF01", "#009245", "#0193D9", "#0C04ED", "#612F90"];

for(var i = 0; i < colors.length; i ++) {
  listItems[i].style.color = colors[i];    
}
index.html
<!DOCTYPE html>
<html>
  <head>
    <title>Rainbow!</title>
  </head>
  <body>
    <ul id="rainbow">
      <li>This should be red</li>
      <li>This should be orange</li>
      <li>This should be yellow</li>
      <li>This should be green</li>
      <li>This should be blue</li>
      <li>This should be indigo</li>
      <li>This should be violet</li>
    </ul>
    <script src="js/app.js"></script>
  </body>
</html>

Thank you jb30 for help, It worked.

1 Answer

You don't need to do anything with the for loop to pass the challenge. You need to set the variable listItems to refer to a collection, such as by using document.querySelectorAll() and putting the correct tags in the parentheses. All that the for loop is doing here is setting a color to each of the elements in the collection.