tabs 相关问题

所以我正在制作一个小游戏，并且我正在尝试制作子选项卡。但问题是当我单击“打开子选项卡”按钮时，它会隐藏整个子选项卡。这是我的 HTML 代码：所以我正在制作一个小游戏，并且我正在尝试制作子选项卡。但问题是当我单击“打开子选项卡”按钮时，它会隐藏整个子选项卡。这是我的 HTML 代码： <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="description" content="A game about a person trying to analyze all chess positions"> <link rel="stylesheet" href="./css/main.css"> <link rel="stylesheet" href="./css/pc-upgrade.css"> <link rel="stylesheet" href="./css/tab.css"> </head> <body> <div class="tab"> <button class="tablinks" onclick="openTab(event, 'pc')">PC</button> <button class="tablinks" onclick="openTab(event, 'upgrades')">Upgrades</button> <button class="tablinks" onclick="openTab(event, 'options')">Options</button> </div> <div id="pc" class="tabcontent"> <div class="subtab"> <button class="tablinks" onclick="openTab(event, 'cpu')">CPU</button> </div> <div id="cpu" class="subtabcontent"> <div class="stat"> <div id="positions"></div> <div id="pps"></div> </div> <div class="cpustats"> <div id="cpuCount"></div> <div id="mult"></div> <button id="buycpu"></button> </div> <div class="pc-upgrade"> <div id="cpu-upgrade"> <div id="boosterCount"></div> <button class="disabled" id="booster"></button> </div> </div> </div> <div id="upgrades" class="tabcontent"> <div id="u1">PLACEHOLDER</div> </div> <div id="options" class="tabcontent"> <button id="savegame">Save your game</button> <button id="loadgame">Load your game</button> </div> <script src="js/pc-upgrade.js"></script> <script src="js/main.js"></script> <script src="js/tabs.js"></script> <script src="js/save.js"></script> </body> </html> 打开标签页的JS代码： function openTab(evt, tabName) { var i, tabcontent, tablinks; tabcontent = document.getElementsByClassName("tabcontent"); for (i = 0; i < tabcontent.length; i++) { tabcontent[i].style.display = "none"; } tablinks = document.getElementsByClassName("tablinks"); for (i = 0; i < tablinks.length; i++) { tablinks[i].className = tablinks[i].className.replace(" active", ""); } document.getElementById(tabName).style.display = "block"; evt.currentTarget.className += " active"; } document.addEventListener('DOMContentLoaded', function() { openTab(event, 'pc'); openSubTab(event, 'cpu'); }); function openSubTab(evt, subTabName) { var i, subtabcontent, subtablinks; subtabcontent = document.getElementsByClassName("subtabcontent"); for (i = 0; i < subtabcontent.length; i++) { subtabcontent[i].style.display = "none"; } subtablinks = document.getElementsByClassName("subtablinks"); for (i = 0; i < subtablinks.length; i++) { subtablinks[i].className = subtablinks[i].className.replace(" active", ""); } document.getElementById(subTabName).style.display = "block"; evt.currentTarget.className += " active"; } 以及装饰选项卡的 CSS 代码： .tab { overflow: hidden; border: 1px solid #ccc; } .tab button:hover { background-color: #ddd; } .tab button.active { background-color: #ccc; } .tabcontent { display: none; padding: 6px 12px; border-top: none; } .subtab { overflow: hidden; border: 1px solid #ccc; } .subtab button { background-color: inherit; border: none; outline: none; cursor: pointer; padding: 14px 16px; transition: 0.3s; } .subtab button:hover { background-color: #ddd; } .subtab button.active { background-color: #ccc; } .subtabcontent { display: none; padding: 6px 12px; border-top: none; } 我研究了几个小时，但找不到任何有用的东西。我期待它会打开“CPU”子选项卡，但我不知道还要写什么。任何帮助表示赞赏！根据我的理解，你想要一个子菜单或某种类似的菜单所以我改变了你的javascript代码（实际上我删除了整个代码并重写了它）以获得你想要的子菜单。这是片段： // here we calling the objects: const pc_btn = document.querySelector('#pc_btn') const pc_subtab = document.querySelector('#pc') const upg_btn = document.querySelector('#upg_btn') const upg_subtab = document.querySelector('#upgrades') const opt_btn = document.querySelector('#opt_btn') const opt_subtab = document.querySelector('#options') // here are the functions: pc_btn.addEventListener('click',function(){ pc_subtab.classList.toggle('active') upg_subtab.classList.remove('active') opt_subtab.classList.remove('active') }) upg_btn.addEventListener('click',function(){ upg_subtab.classList.toggle('active') pc_subtab.classList.remove('active') opt_subtab.classList.remove('active') }) opt_btn.addEventListener('click',function(){ opt_subtab.classList.toggle('active') pc_subtab.classList.remove('active') upg_subtab.classList.remove('active') }) .tab { overflow: hidden; border: 1px solid #ccc; } .tab button:hover { background-color: #ddd; } .tab button.active { background-color: #ccc; } .tabcontent { display: none; padding: 6px 12px; border-top: none; } .active{ display: block; } .subtab { overflow: hidden; border: 1px solid #ccc; } .subtab button { background-color: inherit; border: none; outline: none; cursor: pointer; padding: 14px 16px; transition: 0.3s; } .subtab button:hover { background-color: #ddd; } .subtab button.active { background-color: #ccc; } .subtabcontent { display: none; padding: 6px 12px; border-top: none; } <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="description" content="A game about a person trying to analyze all chess positions"> <link rel="stylesheet" href="1.css"> </head> <body> <div class="tab">  <button class="tablinks" id="pc_btn">PC</button> <button class="tablinks" id="upg_btn">Upgrades</button> <button class="tablinks" id="opt_btn">Options</button> </div> <div id="pc" class="tabcontent"> <div class="subtab"> <button class="tablinks">CPU</button> </div> <div id="cpu" class="subtabcontent"> <div class="stat"> <div id="positions"></div> <div id="pps"></div> </div> <div class="cpustats"> <div id="cpuCount"></div> <div id="mult"></div> <button id="buycpu"></button> </div> <div class="pc-upgrade"> <div id="cpu-upgrade"> <div id="boosterCount"></div> <button class="disabled" id="booster"></button> </div> </div> </div> </div> <div id="upgrades" class="tabcontent"> <div id="u1">PLACEHOLDER</div> </div> <div id="options" class="tabcontent"> <button id="savegame">Save your game</button> <button id="loadgame">Load your game</button> </div> </body> <script src="1.js"></script> </html> 我希望它能解决您的问题，祝您有美好的一天。

javascript html css tabs

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