jQuery 在网站上收听鼠标保持事件？
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listen to mouse hold event on website?
提问by user2268624
I know 'mousedown' is when user press the mouse, 'mouseup' is when user release the mouse. But I want to listen the event after user press the mouse and hold it until it release. Any ideas?
我知道 'mousedown' 是用户按下鼠标时，'mouseup' 是用户释放鼠标时。但是我想在用户按下鼠标并按住它直到它释放后监听事件。有任何想法吗？
采纳答案by Mr_Green
If you want the holdstate then it will be the state when you are in mousedownevent state for a while. This state exists when you press mousedownbut not mouseup. Hence you need to take a variable which records the current state of the event.
如果您想要保持状态，那么它将是您处于mousedown事件状态一段时间时的状态。当您按下mousedown而不是mouseup时，此状态存在。因此，您需要获取一个记录事件当前状态的变量。
JS
JS
$('div').on('mousedown mouseup', function mouseState(e) {
if (e.type == "mousedown") {
//code triggers on hold
console.log("hold");
}
});
回答by Shadow
Try this
尝试这个
Add respective mouse events to folowing functions
将相应的鼠标事件添加到以下功能
mouse = false;
function mousedown()
{
mouse = true;
callEvent();
}
function mouseup()
{
mouse =false;
}
function callEvent()
{
if(mouse)
{
// do whatever you want
// it will continue executing until mouse is not released
setTimeout("callEvent()",1);
}
else
return;
}
回答by shekhar kumar
var setint = '';
$(document).ready(function() {
var val = 0;
$('#hold').on('mousedown',function (e) {
clearInterval(setint);
val = 0;
setint = setInterval(function () {
$("#putdata").val(++val);
console.log("mousehold");
},50);
});
$('#hold').on("mouseleave mouseup", function () {
val = 0;
$("#putdata").val(val);
clearInterval(setint);
});
});<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
</head>
<body>
<input type="text" id="putdata" />
<input type="button" value="mouse-hold" id="hold" />
</body>
<html>回答by Roy M J
From jquery.com :
来自 jquery.com ：
HTML :
HTML :
<p>Press mouse and release here.</p>
Script:
脚本：
$("p").mouseup(function(){
$(this).append('<span style="color:#F00;">Mouse up.</span>');
}).mousedown(function(){
$(this).append('<span style="color:#00F;">Mouse down.</span>');
});
Full url : http://api.jquery.com/mousedown/
