Van Gogh and Gauguin visited Montpellier in December 1888.
The class attribute assigns one or more CSS class names to the <i> tag.
Class names are defined in a stylesheet or in a local <style> element.
Classes, i.e. class names, are used to style elements.
A class attribute styling an <i> element.
Van Gogh and Gauguin visited Montpellier in December 1888.
<style>
.i-underline { text-decoration: underline; }
</style>
<article>
<p>
Van Gogh and Gauguin visited
<i class="i-underline">Montpellier</i> in December 1888.
</p>
</article>
Classes (i.e. class names) are used for styling the i element.
Multiple class names are separated by a space.
JavaScript can use class names for fast access to one or more elements.
<i class="classnames">
| Value | Description |
|---|---|
| classnames | One or more space-separated class names. |
A class attribute styling an <i> element.
Clicking the button toggles a classname that changes the background color.
Van Gogh and Gauguin visited Montpellier in December 1888.
<style>
.i-underline { text-decoration: underline; }
.lavender-bg { background-color:lavender; }
</style>
<article>
<p>
Van Gogh and Gauguin visited
<i id="myi" class="i-underline">Montpellier</i>
in December 1888.
</p>
</article>
<br/>
<button onclick="toggle();">Toggle class</button>
<script>
let toggle = () => {
let element = document.getElementById("myi");
element.classList.toggle("lavender-bg");
}
</script>
Three CSS classes are defined in the <style> element.
The class attribute in <i> assigns the two of those.
Repeatedly clicking the button toggles another class, changing the <i> underline.
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 <i tag>
