javascript 在javascript中获取触摸的持续时间
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Get the duration of a touch in javascript
提问by cmplieger
Is it possible to get the duration of a touch using javascript on ios devices (and others if possible)? I would like to differentiate a long press from a short "click" press on an iphone webapp.
是否可以在 ios 设备（以及其他设备，如果可能）上使用 javascript 获得触摸的持续时间？我想在 iphone webapp 上区分长按和短按“点击”。
Thank you for your help!
谢谢您的帮助！
回答by alex
$('#element').each(function() {
var timeout,
longtouch;
$(this).bind('touchstart', function() {
timeout = setTimeout(function() {
longtouch = true;
}, 1000);
}).bind('touchend', function() {
if (longtouch) {
// It was a long touch.
}
longtouch = false;
clearTimeout(timeout);
});
});
The fiddle works with a long click.
长按小提琴即可。
回答by Alxandr
Take a look at jQuery mobile http://jquerymobile.com/demos/1.0a4.1/#docs/api/events.html
看看 jQuery mobile http://jquerymobile.com/demos/1.0a4.1/#docs/api/events.html
It has tap, and taphold events, which sounds like it might fit your needs.
它有 tap 和 taphold 事件，听起来它可能适合您的需求。
回答by Derin
You can check the time to identify Click or Long Press [jQuery]
可以通过查看时间来识别 Click 或 Long Press [jQuery]
function AddButtonEventListener() {
try {
var mousedowntime;
var presstime;
$("button[id$='" + buttonID + "']").mousedown(function() {
var d = new Date();
mousedowntime = d.getTime();
});
$("button[id$='" + buttonID + "']").mouseup(function() {
var d = new Date();
presstime = d.getTime() - mousedowntime;
if (presstime > 999/*You can decide the time*/) {
//Do_Action_Long_Press_Event();
}
else {
//Do_Action_Click_Event();
}
});
}
catch (err) {
alert(err.message);
}
}
