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我已經實現了畫布對象的指針事件。我需要知道我們如何檢測觸摸事件的手指數量。這是我的一段代碼:如何在IE中檢測指針事件的手指計數11
canvasObj.addEventListener('pointerenter', mouseEnterCall, false);
canvasObj.addEventListener('pointerdown', mouseDownCall, false);
canvasObj.addEventListener('pointermove', mouseMoveCall, false);
canvasObj.addEventListener('pointerup', mouseUpCall, false);
canvasObj.addEventListener('pointerout', mouseOutCall, false);
感謝您的幫助。
這是一段代碼。 canvasObj.addEventListener('pointerenter',mouseEnterCall,false); canvasObj.addEventListener('pointerdown',mouseDownCall,false); canvasObj.addEventListener('pointermove',mouseMoveCall,false); canvasObj.addEventListener('pointerup',mouseUpCall,false); canvasObj.addEventListener('pointerout',mouseOutCall,false); – Joe
對不起,我感到困惑。我試圖使用上述模型來檢測IE11瀏覽器上的手指數量。有沒有可能或有其他方法? – Joe
我想我在這裏找到答案。 http://stackoverflow.com/questions/15811694/space-between-touch-points-on-ie10 – Joe