The onclick event fires when a user clicks their mouse while on an HTML element.

The ondblclick event fires when a user double clicks their mouse while on an HTML element.

The onmousedown event fires when the user presses down the mouse button while over an HTML element.

The onmouseenter event fires when the user moves the cursor into an HTML element.

The onmouseleave event fires when the user moves the cursor out of an HTML element.

The onmousemove event fires when the user moves the cursor while over an HTML element.

The onmouseout event fires when the user moves the cursor from inside to outside an HTML element.

The onmouseover event fires when the user moves the cursor from outside to over an HTML element.

The onmouseup event fires when the user releases the mouse button while over an HTML element.

The ontoggle event fires when the user opens or closes the details element.

The onwheel event fires when the wheel of a pointing device is rolled up/down over an element, or the user scrolls/zooms on an element with a touchpad.