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L'évènement mousedown est déclenché lorsqu'un dispositif de pointage (une souris par exemple) est pressé sur un élément (comme un bouton).

General info

Specification
DOM L3
Interface
MouseEvent
Bubbles
Oui
Cancelable
Oui
Target
Element
Default Action
Varies: Start a drag/drop operation; start a text selection; start a scroll/pan interaction (in combination with the middle mouse button, if supported)

Properties

Property Type Description
target Lecture seule EventTarget The event target (the topmost target in the DOM tree).
type Lecture seule DOMString The type of event.
bubbles Lecture seule Boolean Whether the event normally bubbles or not
cancelable Lecture seule Boolean Whether the event is cancellable or not?
view Lecture seule WindowProxy document.defaultView (window of the document)
detail Lecture seule long (float) A count of consecutive clicks that happened in a short amount of time, incremented by one.
currentTarget Lecture seule EventTarget The node that had the event listener attached.
relatedTarget Lecture seule 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 Lecture seule long The X coordinate of the mouse pointer in global (screen) coordinates.
screenY Lecture seule long The Y coordinate of the mouse pointer in global (screen) coordinates.
clientX Lecture seule long The X coordinate of the mouse pointer in local (DOM content) coordinates.
clientY Lecture seule long The Y coordinate of the mouse pointer in local (DOM content) coordinates.
button Lecture seule 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 Lecture seule unsigned short The buttons depressed 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 depressed, returns the logical sum of the values. E.g., if Left button and Right button are depressed, returns 3 (=1 | 2). More info.
mozPressure Lecture seule 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 Lecture seule boolean true if the control key was down when the event was fired. false otherwise.
shiftKey Lecture seule boolean true if the shift key was down when the event was fired. false otherwise.
altKey Lecture seule boolean true if the alt key was down when the event was fired. false otherwise.
metaKey Lecture seule boolean true if the meta key was down when the event was fired. false otherwise.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Edge Opera Safari
Basic support (Oui) (Oui) (Oui) (Oui) (Oui) (Oui)
On disabled form elements (Oui)[1] Pas de support (Oui) Pas de support (Oui)[1] ?
Feature Android Edge Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support ? (Oui) ? ? ? ?
On disabled form elements ? Pas de support ? ? ? ?

[1] Only works for <textarea> elements and some <input> element types.

See also

Étiquettes et contributeurs liés au document

 Contributeurs à cette page : Halkeand
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