Mouse over div floating layer display details pop up layer and div upper margin left margin overlap of of sample code

  • 2020-03-30 00:51:11
  • OfStack

As follows:


<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title></title>
    <style type="text/css">
        .toopTip
        {
            background-color:Yellow;
            border-style:solid;
            border-width:1px;
            border-color:Red;
        }
    </style>
   <script language="javascript" type="text/javascript">
       /*
             If you want to prompt div Left boundary with upper boundary with display div Overlap, then you need to remove the document header W3C standard 
            <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
             "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

       */
       function initEvent() {
           var divArray = document.getElementsByTagName("div");
           for (var i = 0; i < divArray.length; i++) {
               divArray[i].onmouseover = createDivDetailOne;
               
               //divArray[i].onmouseout = removeDivDetail;
           }
       }
       function createDivDetailOne() {
           //Make sure that the divDetail div is unique
           var divDetail = document.getElementById("divDetail");
           if(divDetail)
           {
               document.body.removeChild(divDetail);
           }
           divObj = document.createElement("div");
           divObj.className = "toopTip";
           divObj.setAttribute("id", "divDetail");
           divObj.style.position = "absolute";
           divObj.style.width = "200px";
           divObj.style.height = "100px";
           var triggerObj = window.event.srcElement;
           divObj.style.top = triggerObj.offsetTop;
           divObj.style.left = triggerObj.offsetLeft;
           divObj.innerHTML = triggerObj.innerText;
           document.body.appendChild(divObj);
           //At this point, the div used for the details has overwritten the original div, so the overwritten div will handle the event
           document.getElementById("divDetail").onmouseout = function() {
               divObj = this;
               if (!divObj) {
                   return;
               }
               document.body.removeChild(divObj);
           };
       }
       function removeDivDetail() {
           var divObj = document.getElementById("divDetail");
           if (!divObj) {
               return;
           }
           document.body.removeChild(divObj);
       }

       window.onload = initEvent;
    </script>

</head>
<body>
    <div id="divOne" style="background-color: Fuchsia; width: 100px; height: 100px;" >
        Hello My Js World!
    </div>
    <div id="divTwo" style="background-color: Aqua; width: 100px; height: 100px">
        Welcome to My Js World!
    </div>
    <div id="divThree" style="background-color: Gray; width: 100px; height: 100px">
        THIS IS My Js World!
    </div>
</body>
</html>


Related articles: