js代码
var as = document.getElementsByTagName("a");
var contents = document.querySelectorAll("#container div");
as[1].onclick = a(1);
function a(i){
for(var j=0,len = contents.length; j<len;j++){
contents[j].style.display = "none";
}
contents[i].style.display = "block";
}
为什么不用点击对应的a标签就直接执行函数了？
