本帖最后由 s175366 于 2015-9-29 19:35 编辑 function open_xiaoshuo_str() { document.getElementById(xiaoshuo_str).style.display = block document.getElementById(open_xiaoshuo_str).style.display = none var divs = document.getElementsByClassName(download_app) //注意中知间有个道s，还要注意大内小写 for(var i = 0 i < divs.length i++){ divs[i].style.display = none } //document.getElementById(download_app).style.display = none }