請(qǐng)輸入代碼JavaScript新手小白，請(qǐng)大家不要見(jiàn)笑，我想做個(gè)類似選項(xiàng)卡的東西，想點(diǎn)擊button的時(shí)候，對(duì)應(yīng)的內(nèi)容展現(xiàn)，其他隱藏，但是我的代碼出不來(lái)結(jié)果，看了半天也不知道錯(cuò)在那里，我想知道錯(cuò)在那里，請(qǐng)大神指教，謝謝！<!DOCTYPE html><html><head><style>ul>li{display:none;}.active{display:block;}</style><script>function m() { var obut = document.getElementsByTagName("button"); var oli = document.getElementsByTagName("li"); for (var i = 0; i < obut.length; i++) { obut[i].index = i； } if (oli[this.index].style.display == "none") { document.getElementsByClassName("active").style.display = "none "oli[this.index].ClassName = "active" }}</script></head><body> <div id="btn"> <button onclick="m()">box1</button> <button onclick="m()">box2</button> <button onclick="m()">box3</button> <button onclick="m()">box4</button> </div> <ul id="box"> <li><div class="active" >box1</div></li> <li><div >box2</div></li> <li><div >box3</div></li> <li><div >box4</div></li> </ul></body></html>
javascript 選項(xiàng)卡問(wèn)題
慕的地6264312
2018-10-10 13:27:49