Event ↔ Interface Object to rep actions, autogen by DOM Node after Signal Trigger
onclick ↔ Mouse Event Signal fire when user click Element
oncontextmenu ↔ Mouse Event Signal fire when user right click Element to open context menu
ondblclick ↔ Mouse Event Signal fire when user double-click Element
onmousedown ↔ Mouse Event Signal fire when user press mouse button down over Element
onmouseenter ↔ Mouse Event Signal fire when user mouse pointer enter Element area
onmouseleave ↔ Mouse Event Signal fire when user mouse pointer leave Element area
onmouseover ↔ Mouse Event Signal fire when user move pointer over Element (or children)
onmouseout ↔ Mouse Event Signal fire when user move pointer out of Element (or children)
onmouseup ↔ Mouse Event Signal fire when user release up mouse button over Element
onkeydown ↔ Keyboard Event Signal fired when user press down specific key
onkeyup ↔ Keyboard Event Signal fired when user release up specific key
onkeypress ↔ Keyboard Event Signal fired moment when user start press specific key
onsubmit ↔ Form Event Signal fire when form submit
onselect ↔ Form Event Signal fire when user selects text for <input\> & <textarea\>
onblur ↔ Form Event Signal fire when Element lost focus
onchange ↔ Form Event Signal fire when content changes in <input\> Element
onfocus ↔ Form Event Signal fire when Element gets focus
onfocusout ↔ Form Event Signal fire when Element about to lose focus
onfocusin ↔ Form Event Signal fire when Element about to gain focus
oninput ↔ Form Event Signal fire when user input to Element
oninvalid ↔ Form Event Signal fire when Element invalid
onreset ↔ Form Event Signal fire when form is reset
onsearch ↔ Form Event Signal fire when user writes into search field within <input="search"\>
ondrag ↔ Drag Event Signal fire when user drag Element
ondrop ↔ Drag Event Signal fire when user drop Element at drop target
ondragstart ↔ Drag Event Signal fire when user start to drag Element
ondragend ↔ Drag Event Signal fire when user ends action of drag Element
ondragenter ↔ Drag Event Signal fire when user drag Element enters drop target
ondragleave ↔ Drag Event Signal fire when user drag Element leaves drop target
ondragover ↔ Drag Event Signal fire while user drag Element over drop target
oncopy ↔ Clipboard Event Signal fired when user copy Element content
oncut ↔ Clipboard Event Signal fired when user cut Element content
onpaste ↔ Clipboard Event Signal fired when user paste Element content
onwheel ↔ Mouse Event Signal fire when user roll mouse wheel over Element
Event Handler ↔ Callback to run in response to Event Signal
Event Listener ↔ function to await Event & on Signal Trigger, call Event Handler