for(var k = 0 ; k < oa.length; k++) { oa[k].index = k;//將a的索引變為k oa[k].onclick = function()//當點擊某一個k時 { autoPlay(); x = n; ?//x = 自動輪播的n n = this.index; //讓 ?n = 當前的張數 if(x != this.index){ for(var i=0;i<olilist.length;i++){ olilist[.i].style.display="none";//先將所有的li贏藏 oa[i].className = "";//將所有的class清空 } olilist[this.index].style.display="block"; this.className="on"; str = aTxt[n]; codeWord(op1); } } }