HTML event onmousedown

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Event Attribute onMouseDown

onMouseDown is an event attribute, it takes JavaScript-code as a value. The code will be executed when:

  • The user pressed their mouse or pointing device button down (does not require release) whilst hovering above the element.


In this example, the user will receive a messagebox saying "You pressed your mouse button whilst hovering over this text", after pressing the mouse/pointing device button down anywhere over the text "Hover over me and click"

<a onmousedown="alert('You pressed your mouse button whilst hovering over this text')">Hover over me and click</a>


As this event requires the user to move the mouse/pointing device and use it's buttons, users with impaired motor skills or no mouse may find this difficult or impossible.


onclick, ondblclick, onmousedown, onmouseup, onmouseover, onmousemove, onmouseout, onkeypress, onkeydown, onkeyup