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The mousedown event is fired when a pointing device button is pressed on an element.
General info
- Specification
- DOM L3
- Interface
MouseEvent- Bubbles
- Yes
- Cancelable
- Yes
- 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 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 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 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. |
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Edge | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) |
| On disabled form elements | (Yes)[1] | No support | (Yes) | No support | (Yes)[1] | ? |
| Feature | Android | Edge | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support | ? | (Yes) | ? | ? | ? | ? |
| On disabled form elements | ? | No support | ? | ? | ? | ? |
[1] Only works for <textarea> elements and some <input> element types.