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

Can someone please help me?

I been working on this for a few hours.The code I have is not working.What am I doing wrong?

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)'; }
});
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>

1 Answer

From MDN:

For DOM trees which represent HTML documents, the returned tag name is always in the canonical upper-case form

"input" should be uppercase.