The class attribute assigns one or more classnames to the <code> tag.
Classnames are defined in a stylesheet or in a local <style> element.
Classes, i.e. classnames, are used to style the code element.
A class attribute styling a <code> element.
In JavaScript the
alert()
method displays an alert box.
<style>
.code-underline {text-decoration: underline;}
</style>
<p>
In JavaScript the
<code class="code-underline">alert()</code>
method displays an alert box.
</p>
Classes (i.e. classnames) are used for styling the code element.
Multiple classnames are separated by a space.
JavaScript uses classes to access elements by classname.
Tip: class is a global attribute that can be applied to any HTML element.
<code class="classnames" >
| Value | Description |
|---|---|
| classnames | One or more space-separated class names. |
A class attribute styling a <code> element. Clicking the button toggles a classname that changes the underlining.
In JavaScript the
alert()
method displays an alert box.
<style>
.code-underline { text-decoration: underline; }
.lucida { font-family: "Lucida Console", Monaco, monospace; }
.no-underline { text-decoration: none; }
</style>
<p>
In JavaScript the
<code class="code-underline lucida" id="mycode">alert()</code>
method displays an alert box.
</p>
<button onclick="toggle();">Toggle class</button>
<script>
let toggle = () => {
let element = document.getElementById("mycode");
element.classList.toggle("no-underline");
}
</script>
Three CSS classes are defined in the <style> element.
The class attribute in <code> assigns two of those classnames.
Repeatedly clicking the button toggles another class, turning the underline on and off.
Here is when class support started for each browser:
 Chrome
|
1.0 | Sep 2008 |
 Firefox
|
1.0 | Sep 2002 |
 IE/Edge
|
1.0 | Aug 1995 |
 Opera
|
1.0 | Jan 2006 |
 Safari
|
1.0 | Jan 2003 |
Back to <code>
