Sometimes, we want to check if data attribute exist with plain JavaScript.
In this article, we’ll look at how to check if data attribute exist with plain JavaScript.
How to check if data attribute exist with plain JavaScript?
To check if data attribute exist with plain JavaScript, we use the hasAttribute method.
For instance, we write
if (!object.hasAttribute("data-example-param")) {
// ...
}
to check if object doesn’t have the data-example-param property.
hasAttribute returns true if the property with the given name exists and false otherwise.
Conclusion
To check if data attribute exist with plain JavaScript, we use the hasAttribute method.
