var executive1 = document.getElementById("executive1");
executive1.style.display = "none";
var arr = [executive1];
var changediv = Math.floor(Math.random() * arr.length);
console.log(changediv);
if(changediv == 0) {
executive1.style.display="block";
};
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…