A Complete Guide to Data Attributes

I like using data attributes in my markup (data-*), CSS ([data-*]), and JS (el.dataset). This post on CSS-Tricks writes down exactly how I use them. Especially the different type of attribute selectors are really powerful: // Seven different types of CSS attribute selectors // This attribute exists on the element [value] // This attribute has […]

How the CSS :is() selector will simplify things

One of the selectors in CSS Level 4 is :is(). It is the successor to :any() and :matches() (which are supplanted by :is()): The :is() CSS pseudo-class function takes a selector list as its argument, and selects any element that can be selected by one of the selectors in that list. This is useful for […]

The future of CSS: Nesting Selectors

Early March the first draft for the CSS Nesting Module was published. The draft outlines a future mechanism by which we’ll be able to nest CSS selectors natively (e.g. in pure CSS, without the use of any preprocessors) This module describes support for nesting a style rule within another style rule, allowing the inner rule’s […]

CSS attribute value less than / greater than / equals selectors

Yesterday Ana Tudor wondered if should could write CSS selectors using less-than and greater-than logic: CSS attribute selector wish:[data-code>2][data-code<19] { /* styles */ }[data-code>=19][data-code<65] { /* other styles */ }and so on… — Ana Tudor (@anatudor) October 12, 2016 Unfortunately this kind of selectors don’t work (yet). Until then one could use JavaScript to tackling […]