本文實例講述了JS實作可自訂大小,可雙擊關閉的彈出層效果。分享給大家供大家參考。具體如下:
這是一款JS彈出層,可自訂大小,雙擊關閉層,可以彈出500,300、500,500大小的窗口,窗口彈出後,在彈出窗口內雙擊即可關閉滑鼠。我覺得挺不錯的效果,可以學到不少的JS知識。
運作效果截圖如下:
線上示範網址如下:
http://demo.jb51.net/js/2015/js-define-close-able-alert-dlg-demo/
具體程式碼如下:
<!DOCTYPE html> <html> <head> <title>JS弹出层</title> <style> body {margin:0px} #Loading {position:absolute;z-index:10;left:10px;top:10px;border:1px #666666 solid;background:#eeeeee;width:10px;height:10px} </style> <script LANGUAGE="JavaScript"> <!-- function $(){return document.getElementById?document.getElementById(arguments[0]):eval(arguments[0]);} var OverH,OverW,ChangeDesc,ChangeH=50,ChangeW=50; function OpenDiv(_Dw,_Dh,_Desc) { $("Loading").innerHTML=""; OverH=_Dh;OverW=_Dw;ChangeDesc=_Desc; $("Loading").style.display=''; if(_Dw>_Dh){ChangeH=Math.ceil((_Dh-10)/((_Dw-10)/50))}else if(_Dw<_Dh){ChangeW=Math.ceil((_Dw-10)/((_Dh-10)/50))} $("Loading").style.top=(document.documentElement.clientHeight-10)/2+"px"; $("Loading").style.left=(document.documentElement.clientWidth-10)/2+"px"; OpenNow() } var Nw=10,Nh=10; function OpenNow() { if (Nw>OverW-ChangeW)ChangeW=2; if (Nh>OverH-ChangeH)ChangeH=2; Nw=Nw+ChangeW;Nh=Nh+ChangeH; if(OverW>Nw||OverH>Nh) { if(OverW>Nw) { $("Loading").style.width=Nw+"px"; $("Loading").style.left=(document.documentElement.clientWidth-Nw)/2+"px"; } if(OverH>Nh) { $("Loading").style.height=Nh+"px"; $("Loading").style.top=(document.documentElement.clientHeight-Nh)/2+"px" } window.setTimeout("OpenNow()",10) }else{ Nw=10;Nh=10;ChangeH=50;ChangeW=50; $("Loading").innerHTML=ChangeDesc; } } //--> </script> </head> <body> <a href="javascript:OpenDiv(500,300,'层1<br>双击关闭')">层1 500*300</a><br><br> <a href="javascript:OpenDiv(500,200,'层2<br>双击关闭')">层2 500*200</a><br><br> <a href="javascript:OpenDiv(200,500,'层3<br>双击关闭')">层3 200*500</a><br><br> <a href="javascript:OpenDiv(500,500,'层4<br>双击关闭')">层4 500*500</a> <a href="javascript:OpenDiv(500,500,'层5<br>双击关闭')">层5 500*500</a> <div id="Loading" style="display:none" ondblclick="this.style.display='none'"></div> </body> </html>
希望本文所述對大家的JavaScript程式設計有所幫助。