在結(jié)構(gòu)里可以不用寫空的ul,直接在js中創(chuàng)建添加,效果一樣
var con2 = document.createElement("ul");
con2.innerHTML = con1.innerHTML;
area.appendChild(con2);
var con2 = document.createElement("ul");
con2.innerHTML = con1.innerHTML;
area.appendChild(con2);
2016-01-15