[英]Fire mousemove event once mouse click event occurs
這是我的編碼。 如果我單擊並移動鼠標,則會發生onmousemove事件。 我怎樣才能做到這一點。 誰能幫我。
</head>
<body>
<img id="myImgId" alt="" src="Chrysanthemum.jpg" width="400" height="300" />
<script type="text/javascript">
<!--
var myImg = document.getElementById("myImgId");
myImg.onmousemove = GetCoordinates;
//-->
</script>
<p>X:<span id="x"></span></p>
<p>Y:<span id="y"></span></p>
您必須在click事件中啟用onmouosemove事件
</head>
<body>
<img id="myImgId" alt="" src="Chrysanthemum.jpg" width="400" height="300" onClick="doSomething(this)"/>
<script type="text/javascript">
function doSomething(obj)
{
obj.onMouseMove = function getCoordinates(){
var x= screen.getX;
var y = screen.getY;
}
}
</script>
<p>X:<span id="x"></span></p>
<p>Y:<span id="y"></span></p>
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Untitled Document</title>
</head>
<body>
<img src="captain_america.jpg" style="left:0px;position:absolute;top:50px;"/>
<div id="showCoordinates" style="top:0px;left:0px;position:absolute;height:40px;width:100px"></div>
<script type="text/javascript">
document.addEventListener('mousemove', onMouseMove, false)
function onMouseMove(e)
{
x = e.clientX;
y = e.clientY;
document.getElementById('showCoordinates').innerHTML = "x " + x + " y " + y;
}
</script>
</body>
</html>
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