다음과 같이 코드 코드를 복사하십시오.
window.alert = function (str)
{{
var shield = document.createElement ( "div");
Shield.id = "Shield";
Shield.style.position = "절대";
Shield.style.left = "0px";
Shield.style.top = "0px";
Shield.style.width = "100%";
shield.style.height = document.body.scrollheight+"px";
// 대화 상자가 나타날 때 배경색
Shield.style.background = "#fff";
Shield.style.textalign = "Center";
Shield.style.zindex = "25";
// 배경 투명 IE는 유효합니다
//shield.style.filter = "alpha (불투명 = 0)";
var alertfram = document.createElement ( "div");
alertfram.id = "alertfram";
alertfram.style.position = "절대";
alertfram.style.left = "50%";
alertfram.style.top = "50%";
alertfram.style.marginleft = "-225px";
alertfram.style.margintop = "-75px";
alertfram.style.width = "450px";
alertfram.style.height = "150px";
alertfram.style.background = "#ff0000";
alertfram.style.textalign = "Center";
alertfram.style.lineheight = "150px";
alertfram.style.zindex = "300";
strhtml = <ul Style =/"마진 : 0px;
strhtml +=#dd828d; 1px solid #f9cade;/"> [사용자 정의 프롬프트] </li>/n";
strhtml += <fff; /">"+str+"</li>/n";
strhtml += <fdeef4; /"버튼/"value =/"ok/"onclick =/"dook ()/"/> </li>/n ";
strhtml += "</ul>/n";
alertfram.innerhtml = strhtml;
document.body.appendChild (AlertFram);
document.body.appendChild (방패);
var adj = setInterval ( "doalpha ()", 5);
this.dook = function () {
alertfram.style.display = "none";
Shield. style.dplay = "None";
}
alertfram.focus ();
document.body.onselectstart = function () {return false;};
}
효과는 그림과 같이입니다