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Definition and UsageThe The The stored (custom) data can then be used in the page's JavaScript to create a more engaging user experience (without any Ajax calls or server-side database queries). The
Note: Custom attributes prefixed with "data-" will be completely ignored by the user agent. Browser SupportThe numbers in the table specify the first browser version that fully supports the attribute.
Syntax
Attribute Values
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How to Use the data-* attribute to embed custom data
Click on a species to see what type it is:
index.html
Example:
HTML
<!DOCTYPE html>
<html>
<head>
<script>
function showDetails(animal) {
let animalType = animal.getAttribute("data-animal-type");
alert("The " + animal.innerHTML + " is a " + animalType + ".");
}
</script>
</head>
<body>
<h1>Species</h1>
<p>Click on a species to see what type it is:</p>
<ul>
<li onclick="showDetails(this)" id="owl" data-animal-type="bird">Owl</li>
<li onclick="showDetails(this)" id="salmon" data-animal-type="fish">Salmon</li>
<li onclick="showDetails(this)" id="tarantula" data-animal-type="spider">Tarantula</li>
</ul>
</body>
</html>
Output should be:
| html data-* attributes |
| How to Use the data-* attribute to embed custom data | HTML Global Attributes |
Read Full: | HTML Global Attributes |
Type: | Develop |
Category: | Web Tutorial |
Sub Category: | HTML Global Attributes |
Uploaded by: | Admin |
Views: | 28 |
Reffered: https://www.w3schools.com/tags/att_global_data.asp