Custom HTML attributes are deprecated. HTML5 defines so-called data- attributes that can be used to store custom data in HTML elements.

The panel attributes lets you add custom attributes to the corresponding HTML elements of each form element. You can access them with JavaScript later, or add existing HTML attributes such as the attribute type for <input> elements.

This panel lets you add custom HTML attributes that may be needed for custom features implemented via JavaScript.

A custom HTML attribute has been added and can be seen when inspecting the generated HTML.

Adding an attribute

To add an HTML attribute, just enter the name and the value of the attribute into one of the columns. A new, empty column will be added automatically.

Deleting an attribute

Click on the recycle bin icon ( ) to the left to delete an attribute.

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