An id on a <link> tag assigns an identifier to the element.
The identifier must be unique across the page.
An id attribute on a <link> element.
<head>
<link id="tutorial" rel="stylesheet" type="text/css"
href="/tutorial/style.css">
</head>
The id attribute assigns an identifier to the <link> element.
The id allows JavaScript to easily access the <link> element.
It is also used to point to a specific id selector in a style sheet.
Tip: id is a global attribute that can be applied to any HTML element.
<link 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 <link> tag with a unique id.
Clicking the button will display the href value of the link.
<head>
<link id="mylink" rel="stylesheet" type="text/css" href="/tutorial/style.css">
</head>
<button onclick="show();">Show link href</button>
<script>
let show = () => {
let element = document.getElementById("mylink");
alert("Href = " + element.href);
}
</script>
The id attribute assigns a unique identifier for the <link> element.
Clicking the button calls JavaScript which locates the <link> using the id.
Finally, the href value of the <link> is displayed 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 <link>
