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aria-label in accessibility, explained.

Published 2021/08/18 08:47

What is aria-label is accessibility?

Let's explain

Suppose in your website you have a button:

<button></button>

This button appears when there's a popup window and its job is to close that window:

<button onclick="closeWindow()"></button>

To make the button as minimal as possible, you decide to give it a label "X", instead of "Close":

<button onclick="closeWindow()">X</button>

So the button will look like this:

The close button in the website

Although the button looks nice, there's a problem.

A screen reader will announce the label of the button as is. So once the button has the focus, the screen reader will say:

Cap X, button

That doesn't really give an very good picture of what the button is supposed to do to the screen reader user. We need a clearer label, but at the same time, keep the "X" as our label.

What can we do?

We can use an attribute in our HTML, called aria-label.

This is how it can be used in our button:

<button onclick="closeWindow()" aria-label="Close window">X</button>

So now the button will be announced like this:

Close window, button

In conclusion, if you need a screen reader to announce an element separately than its actual label, use aria-label.

To learn more see this page on MDN

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  2. Javascript Promises, explained.
  3. Accessibility, explained.
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