An id on an <address> tag assigns an identifier to the address.
The identifier must be unique across the page.
An id attribute on an <address> element.
<footer>
<address id="author-address">
Contact author: <a href="mailto:debbie@company.com">Debbie Anderson</a>,
@debbie_anderson
</address>
</footer>
The id attribute assigns an identifier to the <address> element.
The identifier must be unique across the page.
The id allows JavaScript to easily access the <address> element.
Tip: id is a global attribute that can be applied to any HTML element.
<address id="identifier" />
Value | Description |
---|---|
identifier | A unique alphanumeric string. The id value must begin with a letter ([A-Za-z]) and may be followed by any number of letters, digits ([0-9]), hyphens (-), underscores (_), colons (:), and periods (.). |
A <address> with a unique id.
Clicking the button displays the address content.
<footer>
<address id="myaddress">
Contact author: <a href="mailto:debbie@company.com">Debbie Anderson</a>,
@debbie_anderson
</address>
</footer>
<button onclick="show();">Show address</button>
<script>
let show = () => {
let element = document.getElementById("myaddress");
alert("Address = " + element.innerHTML);
}
</script>
The id attribute assigns a unique identifier for the <address>.
When the button is clicked, JavaScript locates the <address> through the id.
It extracts the content and displays it in an alert box.
Here is when id 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 <address>