JS forms a mask Effect instance code of a page

  This article mainly introduces JS form a mask Effect instance code of the page, a friend in need can refer to the

Before using this forged code, please download the jquery Library   code as follows: var maskstackcount = 0;   Function Mask (method) { //This is the window you want to mask, I want to mask is an iframe window, you can also use var winobj=$ (window)   VAR winobj= window.top.$ ("Body"). Find ("Iframe[name= ' Dialognormaliframe ')");           if (typeof method = "undefined") {            method= "Ope n ";        }         if (method = = "Open") {          &NBSP ; if (maskstackcount <= 0) {                var mask = $ ("<div id= ' Window-mas K ' class= ' window-mask ' style= ' display:none ' ></div> '). Appendto ("body");                 MASK.CSS ({                    Width:     winobj.width () + "px",                     Height:     winobj.height () + "px",                     filter: "Alpha (opacity=60)"           &N Bsp    }). Show ();                     Winobj.on ("Resize.mask", function () {    & nbsp               MASK.CSS ({                        Width:     winobj.width () + "px",                         Height:     winobj.height () + "px"                    });                });                         maskstackcount++;        }         Else if (method = "Close") {          & nbsp maskstackcount--;             $ ("#window-mask"). Remove ();                 Winobj.off ("Resize.mask");        }}