The Button Element

HTMLAccessibilityPosted on

The <button> element will display a clickable button in the browser. It is a generic element which we use mostly in forms.

As always, it has a default browser style that imitates a button. It is an element with meaning, so it has an accessible function.

<button>Submit</button>

Types of the Button

The button is an accessible element, assistive technologies will recognize it. When we interact with it, the browsers handle many things for us (states, events).

As I said earlier, we usually attach it to a form (as a submit button), but we can also use it elsewhere. Like if you have a mobile menu (or any menu hidden), you want to open on a click. In this case, you should use a button element (with aria-expanded at least) to mockup the toggle control.

If you declare the <button> tag inside a form, it will fire the submit event, outside of it won’t.

<button type="submit">Submit</button>
<button type="reset">Reset</button>
<button type="button">Button</button>

We can declare it’s behavior with the type attribute:

  • type=”submit”: will submit the form data to the server. It is the default behavior if it is placed inside a form.
  • type=”reset”: will reset the form values if placed inside a form.
  • type=”button”: will be function as a generic button.

A Button or a Link

By design, we have to differentiate the links and buttons. The reason is that the expected behavior differs. When we click on a link, we expect to navigate to another post. When we click on a button, we hope for an on-page action (like sending a form).

So it is not the same the use the <a> and the <button> element. Both of them have their function use it properly because it can mean a lot.

<a href="/about.html">Navigate to about page</a>
<button>Submit form</button>

The <button> element also has similar parameters like any input:

  • we can disable it with the disabled attribute,
  • we can declare a name attribute,
  • or use autofocus on it.

A Button or an Input Element

We can send a form in two way (with native element): <button> and <input type=”submit”>. Using the input tag which is an older solution that can feel a bit weird because that is an input element.

<button>Submit</button>
<input type="submit" value="Submit"/>

The <button> is semantically correct in this case and has other advantages like that it is not a self-closing element. This means that we can add anything between the opening and closing tags. Using the input, we have only the option to add a caption.

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