JavaScript mouse drag position swap effect code_javascript skills

Mouse dragging and position swap effects are mainly used for divs to improve user experience etc.

<style type="text/css"> div.box{ position:relative; padding:5px; background-color:#000; width:300px; height:300px; overflow:hidden; } div.box div.item{ float:left; width:90px; height:90px; background-color:#ccc; margin:5px; position:relative; cursor:pointer; } div.mask{ width:90px; height:90px; background-color:#f00; opacity:0.8; filter:progid:DXImageTransform.Microsoft.Alpha(opacity=80); position:absolute; visibility:hidden; top:20px; left:20px; z-index:10; } </style>
[Ctrl A select all Note: If you need to introduce external Js, you need to refresh to execute

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