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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<title>Div following mouse cursor inside a parent</title>
<style>
#parent_div {
position: relative;
width: 80%;
height: 300px;
margin: 1em auto;
border; 1px solid #333;
background: #fefebe;
}
#div_moving {
position: absolute;
width: 140px;
height: 65px
margin: 0;
border: 1px solid #33f;
background: #88ee99;
}
</style>
</head>
<body>
<div id="parent_div">
<div id="div_moving">Moving Div ..</div>
Content in parent ...
</div>
<script>
// Here get the Div that you want to follow the mouse
var div_moving = document.getElementById('div_moving');
// Here add the ID of the parent element
var parent_div = 'parent_div';
// object to make a HTML element to follow mouse cursor ( https://coursesweb.net/ )
var movingDiv = {
mouseXY: {}, // will contain the X, Y mouse coords inside its parent
// Get X and Y position of the elm (from: vishalsays.wordpress.com/ )
getXYpos: function(elm) {
x = elm.offsetLeft; // set x to elm’s offsetLeft
y = elm.offsetTop; // set y to elm’s offsetTop
elm = elm.offsetParent; // set elm to its offsetParent
//use while loop to check if elm is null
// if not then add current elm’s offsetLeft to x, offsetTop to y and set elm to its offsetParent
while(elm != null) {
x = parseInt(x) + parseInt(elm.offsetLeft);
y = parseInt(y) + parseInt(elm.offsetTop);
elm = elm.offsetParent;
}
// returns an object with "xp" (Left), "=yp" (Top) position
return {'xp':x, 'yp':y};
},
// Returns object with X, Y coords inside its parent
getCoords: function(e) {
var xy_pos = this.getXYpos(e.target);
// if IE
if(navigator.appVersion.indexOf("MSIE") != -1) {
var standardBody = (document.compatMode == 'CSS1Compat') ? document.documentElement : document.body;
x = event.clientX + standardBody.scrollLeft;
y = event.clientY + standardBody.scrollTop;
}
else {
x = e.pageX;
y = e.pageY;
}
x = x - xy_pos['xp'];
y = y - xy_pos['yp'];
return {'xp':x, 'yp':y};
}
};
// registers 'mousemove' event to parent_div
document.getElementById(parent_div).addEventListener('mousemove', function(e){
mouseXY = movingDiv.getCoords(e);
div_moving.style.left = mouseXY.xp + 8 +'px';
div_moving.style.top = mouseXY.yp - 8 +'px';
});
</script>
</body>
</html>
<img src="http://coursesweb.net/imgs/webcourses.gif" width="191" height="63" alt="Courses-Web" />
#id {
font-style: italic;
}$(document).ready(function() {
$(".a_class").click(function(){ $(this).hide("slow"); });
});function fname($a, $b) {
echo $a * $b;
}