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HTML DOM Link hreflang Property
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 −
<!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;
}Output
This will produce the following output −
Before clicking ‘In what language is linked document written?’ button −
After clicking ‘In what language is linked document written?’ button −
Updated on: 30-Jul-2019
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