mousedown

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since julio de 2015.

El eventomousedown se activa cuando el botón de un dispositivo apuntador (usualmente el botón de un ratón) es presionado en un elemento.

General info

Especificación: DOM L3
Interface: MouseEvent
Bubbles: Sí
Cancelable: Sí
Target: Elemento
Default Action: Varios: Comenzar una acción de arrastrar y soltar; comenzar la selección de un texto; comenzar una interacción de desplazamiento (en combinación con el botón medio del mouse, si es soportado)

Properties

Property	Type	Description
`target`Read only	`EventTarget`	The event target (the topmost target in the DOM tree).
`type`Read only	`DOMString`	The type of event.
`bubbles`Read only	`Boolean`	Whether the event normally bubbles or not
`cancelable`Read only	`Boolean`	Whether the event is cancellable or not?
`view`Read only	`WindowProxy`	`document.defaultView` (`window` of the document)
`detail`Read only	`long` (`float`)	A count of consecutive clicks that happened in a short amount of time, incremented by one.
`currentTarget`Read only	EventTarget	The node that had the event listener attached.
`relatedTarget`Read only	EventTarget	For`mouseover`,`mouseout`,`mouseenter` and`mouseleave` events: the target of the complementary event (the`mouseleave` target in the case of a`mouseenter` event).`null` otherwise.
`screenX`Read only	long	The X coordinate of the mouse pointer in global (screen) coordinates.
`screenY`Read only	long	The Y coordinate of the mouse pointer in global (screen) coordinates.
`clientX`Read only	long	The X coordinate of the mouse pointer in local (DOM content) coordinates.
`clientY`Read only	long	The Y coordinate of the mouse pointer in local (DOM content) coordinates.
`button`Read only	unsigned short	The button number that was pressed when the mouse event was fired: Left button=0, middle button=1 (if present), right button=2. For mice configured for left handed use in which the button actions are reversed the values are instead read from right to left.
`buttons`Read only	unsigned short	The buttons being pressed when the mouse event was fired: Left button=1, Right button=2, Middle (wheel) button=4, 4th button (typically, "Browser Back" button)=8, 5th button (typically, "Browser Forward" button)=16. If two or more buttons are pressed, returns the logical sum of the values. E.g., if Left button and Right button are pressed, returns 3 (=1 \| 2).More info.
`mozPressure`Read only	float	The amount of pressure applied to a touch or tabdevice when generating the event; this value ranges between 0.0 (minimum pressure) and 1.0 (maximum pressure).
`ctrlKey`Read only	boolean	`true` if the control key was down when the event was fired.`false` otherwise.
`shiftKey`Read only	boolean	`true` if the shift key was down when the event was fired.`false` otherwise.
`altKey`Read only	boolean	`true` if the alt key was down when the event was fired.`false` otherwise.
`metaKey`Read only	boolean	`true` if the meta key was down when the event was fired.`false` otherwise.