HTML & CSS · Forms & Inputs · Lesson 21 of 25

Building a Basic Form

Concept

Building a Basic Form

A form groups related inputs together. label connects descriptive text to an input, and button (or an input of type submit) triggers submission.

Clicking a label whose for attribute matches an input's id automatically focuses that input — a small but important usability and accessibility win.

By the end of this lesson

Explain the core idea behind Building a Basic Form.
Predict output before running a change.
Test one realistic and one unusual input.
Use the result to make the next decision.

How to study this page

1. Read one concept.
2. Change the example.
3. Run, compare, and explain.
4. Complete the challenge below.

Syntax

<form>
  <label for="id">Label</label>
  <input type="text" id="id" name="name" />
  <button type="submit">Submit</button>
</form>

ExampleRunnable

<form>
  <label for="email">Email</label>
  <input type="email" id="email" name="email" />
  <button type="submit">Sign up</button>
</form>

Try it Yourself »

Self-check before continuing

Without looking at the example, describe what changes when you modify one input in Building a Basic Form. Then reopen the editor and prove your explanation with a small test.

You are ready to continue when you can predict, test, and explain the result.

Your turn

Build a form with a labeled text input for a username and a submit button.

Loading editor…

Console

Output will appear here...