Reduce the set of matched elements to the even ones in the set, numbered from zero.
Prevents the event from bubbling up the DOM tree, preventing any parent handlers from being notified of the event.
Reduce the set of matched elements to the first in the set.
Reduce the set of matched elements to the final one in the set.
Check to see if an object is empty (contains no enumerable properties).
Selects the element that is the root of the document.
Selects elements that have the specified attribute with a value ending exactly with a given string. The comparison is case sensitive.
Selects elements that have the specified attribute with a value containing a given word, delimited by spaces.
Selects all elements.
Selects elements that have the specified attribute with a value either equal to a given string or starting with that string followed by a hyphen (-).
Determine if the callbacks have already been called at least once.
Indicates whether the META key was pressed when the event fired.
The other DOM element involved in the event, if any.
Globally disable all animations.
Remove a property for the set of matched elements.
Remove the parents of the set of matched elements from the DOM, leaving the matched elements in their place.
Selects the target element indicated by the fragment identifier of the document’s URI.
Selects element if it is currently focused.
The last value returned by an event handler that was triggered by this event, unless the value was undefined.
A Promise-like object (or “thenable”) that resolves when the document is ready.