js问题 Uncaught TypeError: Cannot set property 'display' of undefined 求帮助
出错 js代码是 :
var oChai = document.getElementById("chai");
var oContainer = document.getElementById("container");
showmain.style.display = "none";
oChai.onclick = function() {oChai.setAttribute("class", "rotate");
setTimeout(function() {
oContainer.remove();
showmain.style.display = "";
var a=0;
var gundong=setInterval(function()
{
a+=1;if(a>=188){
clearInterval(gundong);
}
document.getElementById('get_money').innerHTML=a;
},6);
},1600)}