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JavaScript JavaScript and the DOM (Retiring) Responding to User Interaction Event Delegation

Gabriele Borghesi
Gabriele Borghesi
2,841 Points

can't find a solution!

I can't find a solution, can someone help me?

index.html
<!DOCTYPE html>
<html>
    <head>
        <title>JavaScript and the DOM</title>
    </head>
    <link rel="stylesheet" href="style.css" />
    <body>
        <section>
            <h1>Making a Webpage Interactive</h1>
            <p>JavaScript is an exciting language that you can use to power web servers, create desktop programs, and even control robots. But JavaScript got its start in the browser way back in 1995.</p>
            <hr>
            <p>Things to Learn</p>
            <ul>
                <li>Item One: <input type="text"></li>
                <li>Item Two: <input type="text"></li>
                <li>Item Three: <input type="text"></li>
                <li>Item Four: <input type="text"></li>
            </ul>
            <button>Save</button>
        </section>
        <script src="app.js"></script>
    </body>
</html>
app.js
let section = document.getElementsByTagName('input');

section.addEventListener('click', (event) => {
  event.target.style.backgroundColor = 'rgb(255, 255, 0)';
});

1 Answer

In app.js

let section = document.getElementsByTagName('section')[0];

section.addEventListener('click', (e) => {
  if (e.target.tagName == 'INPUT') {
    e.target.style.backgroundColor = 'rgb(255, 255, 0)';
  }
});

you have to add conditional:

if (e.target.tagName == 'INPUT') {