simple pure javascript tooltip
import Tooltip from 'toolpip';
let tooltip = new Tooltip(document.body, {type: 'help'}); // node to attach
tooltip.position(document.querySelector('.node-to-pin-tooltip-to')); // calculate layout position of tooltip nearby to passed element
tooltip.show();tooltip.show() opens a tooltip
tooltip.hide() hides it
tooltip.position(node, direction) Calculates the position of tooltip relative to passed node. Default positioning is «top» which means the tooltip to be appeared on the top of the element. Also can be «right» and «bottom»
tooltip.updateContent(titleText, subtitleText) Changes title and subtitle text content of tooltip
{type: 'help'} Adds «help» class to tooltip element