我的画布菜单出现问题。菜单打开时,其中的p标签似乎会随着扩展而改变其左边距。我希望我的p标签完全忽略菜单的打开和关闭,并保持其文本对齐。这是我要执行的操作的想法:https://www.w3schools.com/howto/tryit.asp?filename=tryhow_js_sidenav_push

将其与我当前的代码进行比较:



function openNav() {
  document.getElementById("nav").style.width = "250px";
  document.getElementById("burger").style.left = "260px";
}

function closeNav() {
  document.getElementById("nav").style.width = "0";
  document.getElementById("burger").style.left = "10px";
}

* {
  margin: 0;
  madding: 0;
}

html, body {
  height: 100%;
}

body {
  font-family: sans-serif;
}

nav {
  position: absolute;
  top: 0;
  left: 0;
  display: inline-block;
  height: 100%;
  background-color: #333;
  color: #fff;
  padding-top: 30px;
  text-align: center;
  width: 0;
  white-space: nowrap;
  overflow-x: hidden;
  transition: width 1.5s;
}

.close {
  cursor: pointer;
  position: absolute;
  top: 5px;
  right: 15px;
  font-size: 2em;
}

nav p {
  cursor: pointer;
  display: block;
  font-size: 1.7em;
  margin: 30px auto;
  white-space: nowrap;
}

nav p:hover {
  opacity: 0.8;
}

.burger {
  will-change: left;
  position: absolute;
  left: 10px;
  cursor: pointer;
  font-size: 2em;
  z-index: 1;
  transition: 1.5s;
}

<nav id="nav">
  <span class="close" onclick="closeNav()">&times;</span>
  <p>Home</p>
  <p>About</p>
  <p>Blog</p>
  <p>Contact</p>
</nav>

<span class="burger" id="burger" onclick="openNav()">&#9776;</span>





本质上,我希望p标签的行为就像它们绝对定位一样,但是在导航扩展时要居中。

最佳答案

<p>标记包围在另一个<div>中,无论<nav>是否移动,该标记都会静态放置。然后将其居中对齐:



function openNav() {
  document.getElementById("nav").style.width = "250px";
  document.getElementById("burger").style.left = "260px";
}

function closeNav() {
  document.getElementById("nav").style.width = "0";
  document.getElementById("burger").style.left = "10px";
}

* {
  margin: 0;
  madding: 0;
}

html, body {
  height: 100%;
}

body {
  font-family: sans-serif;
}

nav {
  position: absolute;
  top: 0;
  left: 0;
  display: inline-block;
  height: 100%;
  background-color: #333;
  color: #fff;
  padding-top: 30px;
  width: 0;
  white-space: nowrap;
  overflow-x: hidden;
  transition: width 1.5s;
}

.close {
  cursor: pointer;
  position: absolute;
  top: 5px;
  right: 15px;
  font-size: 2em;
}

nav p {
  cursor: pointer;
  display: block;
  font-size: 1.7em;
  margin: 30px 0;
  white-space: nowrap;
}

#pHolder{
   margin-left: 75px;
   width: 80px;
   text-align: center;
}
nav p:hover {
  opacity: 0.8;
}

.burger {
  will-change: left;
  position: absolute;
  left: 10px;
  cursor: pointer;
  font-size: 2em;
  z-index: 1;
  transition: 1.5s;
}

<nav id="nav">
  <span class="close" onclick="closeNav()">&times;</span>
  <div id="pHolder">
  <p>Home</p>
  <p>About</p>
  <p>Blog</p>
  <p>Contact</p>
  </div>
</nav>

<span class="burger" id="burger" onclick="openNav()">&#9776;</span>

关于javascript - 使P标签忽略父级Div,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/42618012/

10-12 07:24
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