Instruction: Provide examples demonstrating how to interact with data-* attributes using jQuery.
Context: This question examines the candidate's ability to work with custom data attributes, a practice that enhances HTML elements with additional data without interfering with the presentation or behavior.
Official answer available
Preview the opening of the answer, then unlock the full walkthrough.
Data attributes were introduced in HTML5 and allow us to store extra information on standard, semantic HTML elements without other hacks such as non-standard attributes, additional properties on DOM, or Node.extraInfo.
To get and set data-* attributes using jQuery, one can utilize the .data() method, which simplifies interaction with these attributes significantly. The beauty of .data() lies in its ability to not only read attributes prefixed with data- but also automatically attempt to convert the value to a JavaScript object if it looks like JSON. This makes it incredibly versatile for handling complex data attached to elements....