Can I store object in data attribute?

Can I store object in data attribute?

One attribute is sufficient to store a whole set of data, ready to use in JavaScript through object properties. (Note: for the data- attributes to be automatically given the type Object rather than String, you must be careful to write valid JSON, in particular to enclose the key names in double quotes).

How do you add data attribute using JavaScript?

In order to create a new data attribute in JavaScript we just need to add a new property to the dataset object with a value. This will update the dataset object and our HTML which means our HTML will look like this.

What is data attribute in JavaScript?

The data-* attribute gives us the ability to embed custom data attributes on all HTML elements. 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 attribute value can be any string.

How do you store HTML elements in a JSON object?

4 Things You Must Do When Putting HTML in JSON:

  1. Escape quotation marks used around HTML attributes like so
  2. Escape the forward slash in HTML end tags.
  3. This one was totally bizarre.
  4. Be sure to encode any quotation marks that might be included in (bad) HTML content.

What is DOMStringMap?

The DOMStringMap interface is used for the HTMLElement. dataset / SVGElement. dataset attribute, to represent data for custom attributes added to elements.

Can I use data attributes?

Data Attributes and CSS You can use data attributes in CSS to style elements using attribute selectors. You can also show the information stored in the data attribute to users (in a tooltip or some other way) with the help of the attr() function.

What is data attribute used for?

data-* attributes allow us to store extra information on standard, semantic HTML elements without other hacks such as non-standard attributes, or extra properties on DOM.

What are the data attributes?

In short, a data attribute is a single-value descriptor for a data point or data object. It exists most often as a column in a data table, but can also refer to special formatting or functionality for objects in programming languages such as Python.