HTML DOM Link hreflang Property

HTML Web Development Front End Technology

The Link hreflang property sets/returns the language code of a linked document.

Syntax

Following is the syntax −

Returning hreflang attribute value

linkObject.hreflang

Setting hreflang to a language code

linkObject.hreflang = langCode

Example

Let us see an example for Link hreflang property −

Live Demo

<!DOCTYPE html>
<html>
<head>
<title>Link hreflang</title>
<link id="extStyle" hreflang='en' rel="stylesheet" type="text/css" href="style.css">
</head>
<body>
<form>
<fieldset>
<legend>Link-hreflang</legend>
<h3>Spanish</h3>
<input type="button" onclick="changeStyle()" value="In what language is linked document written?">
<div id="divDisplay"></div>
</fieldset>
</form>
<script>
   var divDisplay = document.getElementById("divDisplay");
   var extStyle = document.getElementById("extStyle");
   function changeStyle(){
      if(extStyle.hreflang === 'en'){
         divDisplay.textContent = 'The linked document is written in english';
         document.getElementsByTagName('h3')[0].textContent = 'English'
      }
   }
</script>
</body>
</html>

In the above example ‘style.css’ contains −

form {
   width:70%;
   margin: 0 auto;
   text-align: center;
}
* {
   padding: 2px;
   margin:5px;
}
input[type="button"] {
   border-radius: 10px;
}
h3 {
   font-size: 72px;
   color:gold;
}