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JavaScript JavaScript and the DOM (Retiring) Responding to User Interaction Adding an Event Listener

In the button click handler apply the background color of "red" to the warning div

i cant figure this out,my brain is still digesting the concepts

app.js
const warning = document.getElementById("warning");
let button = document.getElementById("makeItRed");
button.addEventListener("click",()=>{
  warning.addEventListener()=>{
  }
});
index.html
<!DOCTYPE html>
<html>
    <head>
        <title>Adding an Event Listener</title>
    </head>
    <link rel="stylesheet" href="style.css" />
    <body>
        <div id="warning">
            Warning: My background should be red!
        </div>
        <button id="makeItRed">Make It Red!</button>
        <script src="app.js"></script>
    </body>
</html>

3 Answers

Steven Parker
Steven Parker
216,083 Points

You won't need to create another handler. Just assign the color to the "warning" element's "style.backgroundColor" property.

Thanks Steven,how would you write this....its not working when i write this warning.style.backgroundColor = "red";

Steven Parker
Steven Parker
216,083 Points

That statement is correct. I pasted it into the challenge and it passed. Try again, and check that it correctly placed in the body of the handler function.

eslam said
PLUS
eslam said
Courses Plus Student 6,734 Points

are you sure your code looks like this ?

  button.addEventListener('click', ()=>{
      warning.style.backgroundColor = 'red';
})

thank you,Steven and Eslam.....it worked