javascript 打开汉堡菜单时未显示

1tu0hz3e  于 2023-05-12  发布在  Java
关注(0)|答案(3)|浏览(123)

我做了一个网站，实现了一些东西，现在当我移动一些元素和CSS来组织和整理时，我的汉堡菜单在打开时停止显示。而不是滑下一个很好的动画导航栏消失，菜单不显示，如果我检查我可以看到，菜单在那里，但有一些覆盖它或一些不透明度是错误的。但是我去了我所有的z指数和不透明度，没有什么是错的，我可以看到。因此，我想让我的汉堡菜单时，点击显示一些帮助。
汉堡包只显示在移动的视图FYI
我将在下面包含一个片段，但这里是我认为导致问题的代码：

<nav>
      <div class="nav-menu">
        <div class="burger-container">
          <div id="burger">
            <div class="bar topBar"></div>
            <div class="bar btmBar"></div>
          </div>
        </div>
        <ul class="menu">
          <li class="menu-item"><a href="#">Hem</a></li>
          <li class="menu-item"><a href="html/losenord.html">Lösenord</a></li>
          <li class="menu-item">
            <a href="html/sakerhetshot.html">Säkerhetshot</a>
          </li>
          <li class="menu-item">
            <a href="html/statlig-kontroll.html">Statlig kontroll</a>
          </li>
          <li class="menu-item">
            <a href="html/tredjepartskod.html">Tredjepartskod</a>
          </li>
          <li class="menu-item">
            <a href="html/webbhotell.html">Webbhotell</a>
          </li>
          <div class="flex-filler"></div>
          <li class="toggler-container">
            <div class="switcher">
              <span class="material-symbols-outlined"> dark_mode </span>
              <label class="switch">
                <input type="checkbox" id="checkBox" />
                <span class="slider"></span>
              </label>
              <span class="material-symbols-outlined"> light_mode </span>
            </div>
          </li>
        </ul>
      </div>
    </nav>
    <div class="wrapper">
      <header class="parallax">
        <img src="https://cdn.imgpaste.net/2022/10/10/Kem93m.png" class="background" />
        <img src="https://cdn.imgpaste.net/2022/10/10/KemO9N.png" class="foreground" />
        <div class="hero-text">
          <h1>Lagar och säkerhet</h1>
          <p>
            Hemsidan om lagar och säkerhet på internet här står det massa saker wow omg coolt :I
          </p>
        </div>
      </header>
.wrapper {
      height: 100vh;
      overflow-y: auto;
      overflow-x: hidden;
      perspective: 10px;
    }
    
    nav {
      overflow: hidden;
    
      position: sticky;
      top: 0;
      left: 0;
    
      width: 100%;
    
      transition: 0.5s ease;
    
      background-color: var(--black-color);
    }
    
    .parallax {
      position: relative;
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100%;
      transform-style: preserve-3d;
      z-index: -10;
    }
    
    .background {
      transform: translateZ(-10px) scale(2);
      -webkit-user-drag: none;
      user-select: none;
      -moz-user-select: none;
      -webkit-user-select: none;
      -ms-user-select: none;
    }
    
    .foreground {
      transform: translateZ(-5px) scale(1.5);
      -webkit-user-drag: none;
      user-select: none;
      -moz-user-select: none;
      -webkit-user-select: none;
      -ms-user-select: none;
    }
    
    .background,
    .foreground {
      position: absolute;
      height: 100%;
      width: 100%;
      object-fit: cover;
      z-index: -10;
    }
    
    .hero-text {
      text-align: center;
      color: var(--white-color);
    
      position: absolute;
      top: 50%;
      left: 50%;
    
      min-width: 14rem;
    
      transform: translate(-50%, -50%);
    }
    
    .hero-text > h1 {
      font-size: 3rem;
    }
    
    .hero-text > p {
      font-size: 1rem;
    }
    
    .burger-container {
      position: absolute;
      right: 1rem;
      top: 0.1rem;
    
      display: inline-block;
    
      height: 50px;
      width: 50px;
    
      transform: rotate(0deg);
      transition: all 0.3s cubic-bezier(0.4, 0.01, 0.165, 0.99);
      user-select: none;
    
      z-index: 10;
    
      -webkit-tap-highlight-color: transparent;
    }
    
    #burger {
      position: relative;
      top: 50%;
    
      width: 18px;
      height: 8px;
    
      display: block;
    
      margin: -4px auto 0;
    }
    
    .bar {
      position: relative;
    
      width: 100%;
      height: 1px;
    
      display: block;
    
      background: var(--white-color);
    
      transition: all 0.3s cubic-bezier(0.4, 0.01, 0.165, 0.99);
      transition-delay: 0s;
    }
    
    .topBar {
      transform: translateY(0px) rotate(0deg);
    }
    
    .btmBar {
      transform: translateY(6px) rotate(0deg);
    }
    
    .menu {
      display: flex;
      justify-content: center;
      align-items: center;
      flex-direction: column;
    
      padding: 0;
      background: var(--black-color);
      height: 100%;
    
      list-style: none;
    }
    
    .menu-item {
      transform: translateY(-200px);
      transition: transform 0.5s cubic-bezier(0.4, 0.01, 0.165, 1);
    }
    
    .menu-item a {
      display: block;
      position: relative;
    
      color: var(--white-color);
      font-family: "Roboto", sans-serif;
      font-weight: 300;
      text-decoration: none;
      font-size: 1.3rem;
      line-height: 2.35;
    
      border-bottom: 1px solid var(--body-bg-color);
    
      width: 100%;
    }
    
    .menu-item a:hover {
      color: var(--text-hover-color);
      text-decoration: none;
    }
    
    .nav-menu {
      height: 3.5rem;
      transition: height 0.4s;
    }
    
    .nav-menu.menu-opened {
      transition: height 0.4s;
    
      position: absolute;
      top: 0;
      opacity: 1;
      z-index: 20;
    
      height: 100vh;
      width: 100vw;
    }
    
    .nav-menu.menu-opened .burger-container {
      transform: rotate(90deg);
    }
    
    .nav-menu.menu-opened .burger-container #burger .bar {
      transition: all 0.4s cubic-bezier(0.4, 0.01, 0.165, 0.99);
      transition-delay: 0.2s;
    }
    
    .nav-menu.menu-opened .burger-container #burger .bar.topBar {
      transform: translateY(4px) rotate(45deg);
    }
    
    .nav-menu.menu-opened .burger-container #burger .bar.btmBar {
      transform: translateY(3px) rotate(-45deg);
    }
    
    .nav-menu.menu-opened ul.menu li.menu-item {
      transform: scale(1) translateY(0px);
    }

片段：

$(document).ready(function () {
  // Hamburger
  $(".burger-container").click(function () {
    $(".nav-menu").toggleClass("menu-opened");
    $("body").toggleClass("unscrollable");
  });

  // Dark-Light switcher
  $("body").toggleClass("light", localStorage.toggled == "light");

  document.getElementById("checkBox").addEventListener("click", darkLight);

  function darkLight() {
    if (localStorage.toggled != "light") {
      $("body").toggleClass("light", true);
      localStorage.toggled = "light";
    } else {
      $("body").toggleClass("light", false);
      localStorage.toggled = "";
    }
  }

  if ($("body").hasClass("light")) {
    $("#checkBox").prop("checked", true);
  } else {
    $("#checkBox").prop("checked", false);
  }
});

// Scroll to top
button = document.getElementById("scroll-button");

button.addEventListener("click", topFunction);

window.onscroll = function () {
  scrollFunction();
};

function scrollFunction() {
  if (document.body.scrollTop > 20 || document.documentElement.scrollTop > 20) {
    button.style.display = "block";
  } else {
    button.style.display = "none";
  }
}

function topFunction() {
  window.scrollTo({
    top: 0,
    left: 0,
    behavior: "smooth",
  });
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Dark colors */
:root {
  --white-color: #d9d9d9;
  --black-color: #0d0d0d;

  --grey-color-1: #595959;

  --body-bg-color: #262626;

  --text-hover-color: #a6a6a6;
}

/* Light colors */
:root .light {
  --body-bg-color: #dfdfdf;

  --black-color: blue;
  --white-color: black;
}

/* ======== MAIN CSS ======== */

html {
  width: 100%;
  height: 100%;
}

body {
  width: 100%;
  height: 100%;

  background-color: var(--body-bg-color) !important;

  position: relative;

  overflow: hidden;

  font-family: "Nunito", sans-serif;
  color: var(--white-color);
}

main {
  background-color: var(--body-bg-color);
}

.wrapper {
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  perspective: 10px;
}

nav {
  overflow: hidden;

  position: sticky;
  top: 0;
  left: 0;

  width: 100%;

  transition: 0.5s ease;

  background-color: var(--black-color);
}

.unscrollable {
  overflow: hidden;
}

.active {
  text-decoration: underline;
}

/* ======= PARALLAX ======= */

.parallax {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  transform-style: preserve-3d;
  z-index: -10;
}

.background {
  transform: translateZ(-10px) scale(2);
  -webkit-user-drag: none;
  user-select: none;
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
}

.foreground {
  transform: translateZ(-5px) scale(1.5);
  -webkit-user-drag: none;
  user-select: none;
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
}

.background,
.foreground {
  position: absolute;
  height: 100%;
  width: 100%;
  object-fit: cover;
  z-index: -10;
}

.hero-text {
  text-align: center;
  color: var(--white-color);

  position: absolute;
  top: 50%;
  left: 50%;

  min-width: 14rem;

  transform: translate(-50%, -50%);
}

.hero-text > h1 {
  font-size: 3rem;
}

.hero-text > p {
  font-size: 1rem;
}

/* ======== HAMBURGER ======== */

.burger-container {
  position: absolute;
  right: 1rem;
  top: 0.1rem;

  display: inline-block;

  height: 50px;
  width: 50px;

  transform: rotate(0deg);
  transition: all 0.3s cubic-bezier(0.4, 0.01, 0.165, 0.99);
  user-select: none;

  z-index: 10;

  -webkit-tap-highlight-color: transparent;
}

#burger {
  position: relative;
  top: 50%;

  width: 18px;
  height: 8px;

  display: block;

  margin: -4px auto 0;
}

.bar {
  position: relative;

  width: 100%;
  height: 1px;

  display: block;

  background: var(--white-color);

  transition: all 0.3s cubic-bezier(0.4, 0.01, 0.165, 0.99);
  transition-delay: 0s;
}

.topBar {
  transform: translateY(0px) rotate(0deg);
}

.btmBar {
  transform: translateY(6px) rotate(0deg);
}

.menu {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;

  padding: 0;
  background: var(--black-color);
  height: 100%;

  list-style: none;
}

.menu-item {
  transform: translateY(-200px);
  transition: transform 0.5s cubic-bezier(0.4, 0.01, 0.165, 1);
}

.menu-item a {
  display: block;
  position: relative;

  color: var(--white-color);
  font-family: "Roboto", sans-serif;
  font-weight: 300;
  text-decoration: none;
  font-size: 1.3rem;
  line-height: 2.35;

  border-bottom: 1px solid var(--body-bg-color);

  width: 100%;
}

.menu-item a:hover {
  color: var(--text-hover-color);
  text-decoration: none;
}

.nav-menu {
  height: 3.5rem;
  transition: height 0.4s;
}

.nav-menu.menu-opened {
  transition: height 0.4s;

  position: absolute;
  top: 0;
  opacity: 1;
  z-index: 20;

  height: 100vh;
  width: 100vw;
}

.nav-menu.menu-opened .burger-container {
  transform: rotate(90deg);
}

.nav-menu.menu-opened .burger-container #burger .bar {
  transition: all 0.4s cubic-bezier(0.4, 0.01, 0.165, 0.99);
  transition-delay: 0.2s;
}

.nav-menu.menu-opened .burger-container #burger .bar.topBar {
  transform: translateY(4px) rotate(45deg);
}

.nav-menu.menu-opened .burger-container #burger .bar.btmBar {
  transform: translateY(3px) rotate(-45deg);
}

.nav-menu.menu-opened ul.menu li.menu-item {
  transform: scale(1) translateY(0px);
}

/* ======== Dark Light switcher ====== */

.switcher > span {
  color: var(--white-color);
  padding: 0 0.5rem;
  font-size: 1.3rem;
}

.switcher {
  display: flex;
  align-items: center;
}

.toggler-container {
  display: block;
  margin-top: 1rem;
  transform: translateY(-200px);
  transition: transform 0.5s cubic-bezier(0.4, 0.01, 0.165, 1);
}

.nav-menu.menu-opened ul.menu li.toggler-container {
  transform: scale(1) translateY(0px);
}

.switch {
  position: relative;
  align-self: center;

  display: inline-block;

  width: 3.2rem;
  height: 1.5rem;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;

  cursor: pointer;

  background-color: #808080;

  -webkit-transition: 0.4s;
  transition: 0.4s;

  border-radius: 1rem;
}

.slider:before {
  position: absolute;
  left: 4px;
  bottom: 4px;

  content: "";

  height: 1rem;
  width: 1rem;

  background-color: var(--white-color);

  -webkit-transition: 0.4s;
  transition: 0.4s;

  border-radius: 50%;
}

input:checked + .slider {
  background-color: #808080;
}

input:checked + .slider:before {
  -webkit-transform: translateX(1.7rem);
  -ms-transform: translateX(1.7rem);
  transform: translateX(1.7rem);
}

/* ======== CONTENT ======= */

.content {
  text-align: center;
  margin: 0 5% 0 5%;
  padding-top: 1.5rem;
  color: var(--white-color);
}

.content h2 {
  font-size: 1.4rem;
  font-family: "Roboto", sans-serif;
}

.content p {
  font-size: 1.1rem;
  font-family: "Nunito", sans-serif;
}

.img {
  display: block;
}

/* ======== UP ARROW ========*/

#scroll-button {
  display: none;

  position: fixed;
  bottom: 1rem;
  right: 1.2rem;

  z-index: 10;

  border: none;
  outline: none;

  background-color: transparent;
  color: var(--white-color);
  font-size: 1.5rem;

  cursor: pointer;

  border-radius: 50%;
}

/* ======== FOOTER ======== */

footer {
  padding: 3rem 0 6rem 0;
  background-color: var(--grey-color-1);
  position: sticky;
  bottom: 0;
  z-index: -20;
}

footer ul {
  margin: 0;
  padding: 0;
  list-style: none;
  text-align: center;
  font-size: 1.3rem;
}

footer ul a {
  color: var(--white-color);
  text-decoration: none;
}

footer ul li {
  display: block;
  padding: 0.25rem 0;
}

footer ul a:hover {
  color: var(--text-hover-color);
}

footer hr {
  color: var(--text-hover-color);
  max-width: 13rem;
  margin: 1.5rem auto;
}

footer .copyright {
  margin-top: 1rem;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-hover-color);
}

/* ======== MEDIA QUERIES ======== */

/* TABLET */
@media only screen and (min-width: 600px) {
  /* ======= FOOTER ======= */
  footer ul {
    font-size: 1.1rem;
  }

  footer ul li {
    display: inline-block;
    padding: 0 0.2rem;
  }

  footer hr {
    max-width: 35rem;
  }
}

/* DESKTOP */
@media only screen and (min-width: 769px) {
  /* ======== MAIN CSS ======== */

  .hero-text {
    position: absolute;
    top: 40%;
    left: 30%;
    max-width: 20rem;
  }

  .hero-text > h1 {
    font-size: 3.5rem;
  }

  .hero-text > p {
    font-size: 1.2rem;
  }

  /* ======= Scrollbar ======== */
  ::-webkit-scrollbar {
    width: 7px;

    background: transparent;
  }

  ::-webkit-scrollbar-thumb {
    border-radius: 100px;

    background: rgb(109, 109, 109);
  }

  ::-webkit-scrollbar-thumb:hover {
    background-color: rgb(148, 148, 148);
  }

  /* ======== HAMBURGER ======== */

  .nav-menu {
    transition: all 0.3s ease-in, 0.5s ease-in;
    transition-delay: 0.25s;

    width: 100%;
    height: 3.5rem;

    display: flex;
    align-items: center;
  }

  .nav-menu.menu-opened {
    height: 100%;
  }

  .burger-container {
    display: none;
  }

  .menu-item {
    transform: scale(1) translateY(0px);

    display: inline;

    margin-right: 0.8rem;
    border-bottom: 0;
    margin-top: 0;
  }

  .menu {
    flex-direction: row;

    position: absolute;
    top: 0;

    margin: 0 0 0 1.5rem;

    height: 3.5rem;
    width: 100%;
  }

  .menu-item a {
    display: inline;

    border: none;

    font-size: 1rem;

    transition: all 0.15s cubic-bezier(0.54, 0.12, 0.54, 0.94);
  }

  .flex-filler {
    flex: 1 1 auto;
  }

  /* ======== Dark-light switcher ======== */

  .toggler-container {
    display: block;
    margin: 0 2.5rem 0 0;
    transform: scale(1) translateY(0px);
  }

  .switcher > span {
    font-size: 1.2rem;

    padding: 0 0.4rem;
  }

  .switch {
    width: 2.5rem;
    height: 1.3rem;
  }

  .slider:before {
    height: 0.8rem;
    width: 0.8rem;

    left: 4px;
    bottom: 4px;
  }

  input:checked + .slider:before {
    -webkit-transform: translateX(1.2rem);
    -ms-transform: translateX(1.2rem);
    transform: translateX(1.2rem);
  }

  /* ======== CONTENT ========*/

  .content {
    margin: 0 20% 0 20%;
    padding-top: 2rem;
  }

  .content h2 {
    font-size: 1.5rem;
  }

  .content p {
    font-size: 1.15rem;
  }

  /* ======== UP ARROW ========*/

  #scroll-button {
    position: fixed;

    height: 3rem;
    width: 3rem;

    bottom: 1.1rem;
    right: 1.1rem;
  }

  #scroll-button:hover {
    background-color: rgba(160, 160, 160, 0.568);
    backdrop-filter: blur(15px);
  }

  /* ======= FOOTER ======= */
}

/* XL-DESKTOP */
@media only screen and (min-width: 1200px) {
  /* ======= HAMBURGER ======= */

  .menu-item {
    margin-right: 1.3rem;
  }

  .menu-item a {
    font-size: 1.1rem;
  }

  /* ======= FOOTER ======= */
  footer ul {
    font-size: 1.2rem;
  }

  footer ul li {
    padding: 0 0.4rem;
  }

  footer hr {
    max-width: 40rem;
  }
}
<!DOCTYPE html>
<html lang="sv">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Lagar och säkerhet | Hem</title>
    <link rel="stylesheet" href="css/style.css" />
    <link
      href="https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100;0,300;0,400;0,500;0,700;0,900;1,100;1,300;1,400;1,500;1,700;1,900&display=swap"
      rel="stylesheet"
    />
    <link
      href="https://fonts.googleapis.com/css2?family=Nunito:ital,wght@0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;0,1000;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900;1,1000&display=swap"
      rel="stylesheet"
    />
    <link
      href="https://cdn.jsdelivr.net/npm/bootstrap@5.2.3/dist/css/bootstrap.min.css"
      rel="stylesheet"
    />
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.2.3/dist/js/bootstrap.bundle.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
    <link
      rel="stylesheet"
      href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.3/css/all.min.css"
    />
    <link
      rel="stylesheet"
      href="https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@48,400,0,0"
    />
    <script defer src="js/script.js"></script>
  </head>
  <!--
    Att göra: 
    
    Fixa bilder till Hero parallax
    Skriva content
    Fixa bilder till content (Picture element, bootstrap)
    Lägga in all content på index och subpages (Bootstrap)
    Fixa up arrow så den funkar
    Tablet responsive media query
    Hamburger close animation (Inte prio)
  -->
  <body>
    <nav>
      <div class="nav-menu">
        <div class="burger-container">
          <div id="burger">
            <div class="bar topBar"></div>
            <div class="bar btmBar"></div>
          </div>
        </div>
        <ul class="menu">
          <li class="menu-item"><a href="#">Hem</a></li>
          <li class="menu-item"><a href="html/losenord.html">Lösenord</a></li>
          <li class="menu-item">
            <a href="html/sakerhetshot.html">Säkerhetshot</a>
          </li>
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JavaScript

3条答案

按热度按时间
vmdwslir

vmdwslir1#

问题是nav元素没有高度。当通过添加menu-opened类打开菜单时，它变成position: absolute并具有固定的高度，父元素的高度为0，因为它折叠了。
我的建议是将menu-opened类添加到<nav>元素上，而不是.nav-menu上，然后在CSS中添加：

nav.menu-opened { 
  height: 100vh;
}
赞(0）分享  回复(0）举报  2023-05-12
avkwfej4

avkwfej42#

问题是导航菜单项的位置，请尝试用

.nav-menu.menu-opened {
    position: relative !important;
}

当一个元素有一个位置绝对的子元素时，父元素不计算它的高度，所以父容器的高度为零

赞(0）分享  回复(0）举报  2023-05-12
jjjwad0x

jjjwad0x3#

请在导航css中删除position: sticky。
试试这个：

nav {
  position: unset;
}
赞(0）分享  回复(0）举报  2023-05-12
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