touchstart
O evento touchstart é acionado quando o ponteiro de toque(dedo ou caneta) é aplicado sobre à superfície de toque da tela(toque sobre a tela no elemento alvo).
Info Geral
- Especificações
- Touch Events
- Interface
TouchEvent- Bubbles
- Sim
- Cancelável
- Sim
- Alvo
- Documento, Elemento
- Ação Padrão
- undefined (indefinido)
Propriedades
| Property | Type | Description |
|---|---|---|
target Somente leitura |
EventTarget | The event target (the topmost target in the DOM tree). |
type Somente leitura |
DOMString | The type of event. |
bubbles Somente leitura |
Boolean | Whether the event normally bubbles or not. |
cancelable Somente leitura |
Boolean | Whether the event is cancellable or not. |
view Somente leitura |
WindowProxy | document.defaultView (window of the document) |
detail Somente leitura |
long (float) | 0. |
touches Somente leitura |
TouchList | A list of Touches for every point of contact currently touching the surface. |
targetTouches Somente leitura |
TouchList | A list of Touches for every point of contact that is touching the surface and started on the element that is the target of the current event. |
changedTouches Somente leitura |
TouchList | A list of Touches for every point of contact which contributed to the event.For the touchstart event this must be a list of the touch points that just became active with the current event. For the touchmove event this must be a list of the touch points that have moved since the last event. For the touchend and touchcancel events this must be a list of the touch points that have just been removed from the surface. |
ctrlKey Somente leitura |
boolean | true if the control key was down when the event was fired. false otherwise. |
shiftKey Somente leitura |
boolean | true if the shift key was down when the event was fired. false otherwise. |
altKey Somente leitura |
boolean | true if the alt key was down when the event was fired. false otherwise. |
metaKey Somente leitura |
boolean | true if the meta key was down when the event was fired. false otherwise. |
Exemplos
Os códigos de exemplos para este evento estão disponíveis nesta página dedicada: Touch events.
Compatibilidade de Navegadores
Estamos convertendo nossos dados de compatibilidade para o formato JSON.
Esta tabela de compatibilidade ainda usa o formato antigo,
pois ainda não convertemos os dados que ela contém.
Descubra como você pode ajudar!
| Característica | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Suporte básico | 22.0 | 18.0 (18.0) | Não suportado | Não suportado | Não suportado |
| Característica | Android | Android Webview | Chrome para Android | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|---|---|
| Suporte básico | (Yes) | (Yes) | (Yes) | 6.0 (6.0) | (Yes) | 11 | (Yes) | (Yes) |