c2n/web-componentsv0.0.6
GitHub repository

Tooltip

Contextual hint shown when its target is hovered or focused, rendered in the top layer.

c2-tooltip describes the element it sits in: drop it inside a button and the button is the target, or point it at another element with for="<id>". It shows after delay milliseconds on hover or focus and hides on leave, blur, press or Escape. The text is the slotted content, or the target’s data-tooltip attribute when the slot is empty. It renders as a popover in the top layer, so it is never clipped by overflow: hidden or scrolling ancestors, and floating-ui flips the preferred placement when there is no room (the side in use is reflected as current-placement). The tooltip has role="tooltip" and the target gets aria-describedby, so screen readers announce it. c2-icon-button uses it for its tooltip attribute.

Installation

npm install @c2n/tooltip

Usage

HTTP
const tooltip = document.querySelector('c2-tooltip')
tooltip.addEventListener('show', () => console.log(tooltip.getAttribute('current-placement')))
tooltip.open = true // show programmatically; false hides
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