hover

This method can be used to attach mouseenter and mouseleave event listeners to the elements in the collection.

// Attach mouseenter and mouseleave event listeners to the elements
hover: function(enterHandler, leaveHandler) {
  this.elements.forEach(function(element) {
    element.addEventListener("mouseenter", enterHandler);
    element.addEventListener("mouseleave", leaveHandler);
  });
  return this;
}

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