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| <!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style>
#one, #two, #three {
width: 200px;
height: 200px;
position: fixed;
}
#one {
left: 50px;
top: 50px;
background-color: lightpink;
}
#two {
left: 200px;
top: 150px;
background-color: lightgreen;
}
#three {
right: 30px;
top: 100px;
background-color: lightgoldenrodyellow;
}
</style>
</head>
<body>
<div id="one"></div>
<div id="two"></div>
<div id="three"></div>
<script src="js/jquery.min.js"></script>
<script>
$(function() {
makeDraggable($('#one'));
makeDraggable($('#two'));
makeDraggable($('#three'));
});
var draggables = [];
function makeDraggable(jqElem) {
draggables.push(jqElem);
jqElem.on('mousedown', function(evt) {
this.isMouseDown = true;
this.oldX = evt.clientX;
this.oldY = evt.clientY;
this.oldLeft = parseInt($(evt.target).css('left'));
this.oldTop = parseInt($(evt.target).css('top'));
$.each(draggables, function(index, elem) {
elem.css('z-index', '0');
});
$(evt.target).css('z-index', '99');
})
.on('mousemove', function(evt) {
if (this.isMouseDown) {
var dx = evt.clientX - this.oldX;
var dy = evt.clientY - this.oldY;
$(evt.target).css('left', this.oldLeft + dx + 'px');
$(evt.target).css('top', this.oldTop + dy + 'px');
}
})
.on('mouseup', function(evt) {
this.isMouseDown = false;
})
.on('mouseout', function(evt) {
this.isMouseDown = false;
});
}
</script>
</body>
</html>
|