this.iframe = Laya.Browser.document.createElement("iframe");
this.iframe.style.position ="absolute";//设置布局定位。这个不能少。
this.iframe.style.zIndex = 1000;//设置层级
this.iframe.style.left ="100px";
this.iframe.style.top ="100px";
this.iframe.src = "http://ask.layabox.com/";
Laya.Browser.document.body.appendChild(this.iframe);
