html lock page (js mask layer pop-up div effect)_javascript skills
<script> <br>function createIframe(){ <br>//mask遮罩层 <br>var newMask=document.createElement("div"); <br>newMask.id="mDiv"; <br>newMask.style.position="absolute"; <br>newMask.style.zIndex="1"; <br>_scrollWidth=Math.max(document.body.scrollWidth,document.documentElement.scrollWidth); <br>_scrollHeight=Math.max(document.body.scrollHeight,document.documentElement.scrollHeight); <br>// _scrollHeight = Math.max(document.body.offsetHeight,document.documentElement.scrollHeight); <br>newMask.style.width=_scrollWidth+"px"; <br>newMask.style.height=_scrollHeight+"px"; <br>newMask.style.top="0px"; <br>newMask.style.left="0px"; <br>newMask.style.background="#33393C"; <br>//newMask.style.background = "#FFFFFF"; <br>newMask.style.filter="alpha(opacity=40)"; <br>newMask.style.opacity="0.40"; <br>newMask.style.display='none'; <br>var objDiv=document.createElement("DIV"); <br>objDiv.id="div1"; <br>objDiv.name="div1"; <br>objDiv.style.width="480px"; <br>objDiv.style.height="200px"; <br>objDiv.style.left=(_scrollWidth-480)/2+"px"; <br>objDiv.style.top=(_scrollHeight-200)/2+"px"; <br>objDiv.style.position="absolute"; <br>objDiv.style.zIndex="2"; //加了这个语句让objDiv浮在newMask之上 <br>objDiv.style.display="none"; //让objDiv预先隐藏 <br>objDiv.innerHTML=' <div id="drag" style="position:absolute;height:20px;width:100%;z-index:10001;top:0; background-color:#0033FF;cursor:move ;" align="right"> <input type=button value="X" onclick="HideIframe(document.getElementById(\'mDiv\'),document.getElementById(\'div1\'));"/> </div>'; <br>//Changed the X button to trigger the close event. <br>objDiv.style.border="solid #0033FF 3px;"; <br>var frm=document.createElement("iframe"); <br>frm.id="ifrm"; <br>frm.name= "ifrm"; <br>frm.style.position="absolute"; <br>frm.style.width="100%"; <br>frm.style.height=180; <br>frm.style.top =20; <br>frm.style.display=''; <br>frm.frameborder=0; <br>objDiv.appendChild(frm); <br>// newMask.appendChild(objDiv); //The problem is Here: you change the div where the frame is located into a child element of newMask. When the transparency of newMask changes, it will of course affect the frame <br>document.body.appendChild(newMask); <br>document.body.appendChild(objDiv ); <br>var objDrag=document.getElementById("drag"); <br>var drag=false; <br>var dragX=0; <br>var dragY=0; <br>objDrag.attachEvent("onmousedown ",startDrag); <br>function startDrag(){ <br>if(event.button==1&&event.srcElement.tagName.toUpperCase()=="DIV"){ <br>objDrag.setCapture(); <br>objDrag.style.background="#0000CC"; <br>drag=true; <br>dragX=event.clientX; <br>dragY=event.clientY; <br>} <br>}; <br>objDrag .attachEvent("onmousemove",Drag); <br>function Drag(){ <br>if(drag){ <br>var oldwin=objDrag.parentNode; <br>oldwin.style.left=oldwin.offsetLeft event. clientX-dragX; <br>oldwin.style.top=oldwin.offsetTop event.clientY-dragY; <br>oldwin.style.left=event.clientX-100; <br>oldwin.style.top=event.clientY- 10; <br>dragX=event.clientX; <br>dragY=event.clientY; <br>} <br>}; <br>objDrag.attachEvent("onmouseup",stopDrag); <br>function stopDrag() { <br>objDrag.style.background="#0033FF"; <br>objDrag.releaseCapture(); <br>drag=false; <br>}; <br>} <br>function htmlEditor(){ <br>var frm=document.getElementById("ifrm"); <br>var objDiv=document.getElementById("div1"); <br>var mDiv=document.getElementById("mDiv"); <br>mDiv.style. display=''; <br>var iframeTextContent=''; <br>iframeTextContent =' <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">'; <br>iframeTextContent = ' <html xmlns="http://www.w3.org/1999/xhtml">'; <br>iframeTextContent =' <head>'; <br>iframeTextContent =' <meta http-equiv= "Content-Type" content="text/html; charset=gb2312" />'; <br>iframeTextContent =' </head>'; <br>iframeTextContent =' <body>'; <br>iframeTextContent =' <table>'; <br>iframeTextContent =' <tr>'; <br>iframeTextContent =' <td>Name </td>'; <br>iframeTextContent =' <td> < input type="text" value="" /> </td>'; <br>iframeTextContent =' </tr>'; <br>iframeTextContent =' <tr>'; <br>iframeTextContent = ' <td>Email </td>'; <br>iframeTextContent =' <td> <input type="text" value="" /> </td>'; <br>iframeTextContent = ' </tr>'; <br>iframeTextContent =' <tr>'; <br>iframeTextContent =' <td> <input type="button" id="btGo" value="Go" /> ; </td>'; <br>iframeTextContent =' </tr>'; <br>iframeTextContent =' </table>'; <br>iframeTextContent =' </body>'; <br> iframeTextContent =' </html>'; <br>frm.contentWindow.document.designMode='off'; <br>frm.contentWindow.document.open(); <br>frm.contentWindow.document.write(iframeTextContent ); <br>frm.contentWindow.document.close(); <br>objDiv.style.display = ""; //Display floating div <br>var objGo=frm.contentWindow.document.getElementById("btGo" ); <br>objGo.attachEvent("onclick",function (){ <br>HideIframe(mDiv,objDiv); <br>}); <br>} <br><br>function HideIframe(mDiv,objDiv) { <br>mDiv.style.display='none'; <br>objDiv.style.display = "none"; //Hide the floating div <br>} <br></script>
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