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<!DOCTYPE html>
<html>
<head>
<title>Touch test</title>
</head>
<body style="touch-action: none">
<style>
button {
box-sizing: border-box;
position: absolute;
left: 0;
top: 0;
width: 10px;
height: 10px;
padding: 0;
margin: 0;
}
</style>
<button>Click target</button>
<script>
var allEvents = [];
for (const name of ["touchstart", "touchmove", "touchend"]) {
globalThis.addEventListener(
name,
(event) => {
allEvents.push({
type: name,
changedTouches: [...event.changedTouches].map((touch) => ({
clientX: touch.clientX,
clientY: touch.clientY,
radiusX: touch.radiusX,
radiusY: touch.radiusY,
force: touch.force,
})),
activeTouches: [...event.touches].map((touch) => ({
clientX: touch.clientX,
clientY: touch.clientY,
radiusX: touch.radiusX,
radiusY: touch.radiusY,
force: touch.force,
})),
});
},
true,
);
}
for (const name of ['pointerdown', 'pointermove', 'pointerup', 'click']) {
globalThis.addEventListener(
name,
(event) => {
allEvents.push({
type: name,
x: event.x,
y: event.y,
width: event.width,
height: event.height,
altitudeAngle: event.altitudeAngle,
azimuthAngle: event.azimuthAngle,
pressure: event.pressure,
pointerType: event.pointerType,
twist: event.twist,
tiltX: event.tiltX,
tiltY: event.tiltY,
});
},
true,
);
}
</script>
</body>
</html>
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