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[英]android 2.2 browser dont work pageY or PageX in ontouchend event
[英]onTouchEnd not working for Android Froyo 2.2?
在Android 2.2上的默認瀏覽器中打開時,以下html會正確注冊touchstart和touchmove事件,但不會觸發事件。 知道為什么嗎?
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN">
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0"/>
</head>
<body>
<div id="a" onTouchStart="touchstartFunction(event);"
onTouchMove="touchmoveFunction(event);"
onTouchEnd="touchendFunction(event);"
style="width:300px ; height:300px;background:red;"></div>
<script>
function touchstartFunction(event){
event.preventDefault();
var touch = event.touches[0];
document.getElementById('touchMoveTextbox').value = "Touch start at " + touch.pageX + "x" + touch.pageY;
}
function touchmoveFunction(event){
event.preventDefault();
var touch = event.touches[0];
document.getElementById('touchMoveTextbox').value = "Touch move at " + touch.pageX + "x" + touch.pageY;
}
function touchendFunction(event){
event.preventDefault();
var touch = event.touches[0];
document.getElementById('touchMoveTextbox').value = "Touch end at " + touch.pageX + "x" + touch.pageY;
}
</script>
<input type='textbox' size="30" id='touchMoveTextbox' >
</body>
</html>
相信你可能會遇到這種情況: touchend事件在Android上不起作用
因為您訪問touches [0],它在最后一種情況下為空並導致javascript錯誤。
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