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

Nicholas Gaerlan
Nicholas Gaerlan
9,501 Points
Posted by Nicholas Gaerlan
Nicholas Gaerlan
9,501 Points

What if there were other different types of input elements?

I've got the answer, but I was wondering "What if the list of inputs included a mix of different types (radio, checkbox, etc.) in addition to text?" How would you zero in on only the inputs of type text while ignoring the other types of input?

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('section')[0];

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

1 Answer

Steven Parker
Steven Parker
231,236 Points
Steven Parker
Steven Parker
231,236 Points

You could test the type property, for example:

    if (e.target.tagName == 'INPUT' && e.target.type == "text") {
        // do stuff just for text inputs here
    }