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Collapsed Sidebar

Time:02-11

I would like to have a collapsed sidebar like this https://www.w3schools.com/howto/tryit.asp?filename=tryhow_js_collapse_sidebar.

However, I do not want the main div to move to the right after the sidebar is opened. Instead, I wish the division can be resize to be fit with the screen size at the moment.

I would greatly appreciate if anyone can help me with this issue.

CodePudding user response:

You can avoid the main div from being pushed right by simply setting the style.marginLeft = "0px" in the openNav() function.

function openNav() {
  document.getElementById("mySidebar").style.width = "250px";
  document.getElementById("main").style.marginLeft = "0px";
}

function closeNav() {
  document.getElementById("mySidebar").style.width = "0";
  document.getElementById("main").style.marginLeft= "0";
}
body {
  font-family: "Lato", sans-serif;
}

.sidebar {
  height: 100%;
  width: 0;
  position: fixed;
  z-index: 1;
  top: 0;
  left: 0;
  background-color: #111;
  overflow-x: hidden;
  transition: 0.5s;
  padding-top: 60px;
}

.sidebar a {
  padding: 8px 8px 8px 32px;
  text-decoration: none;
  font-size: 25px;
  color: #818181;
  display: block;
  transition: 0.3s;
}

.sidebar a:hover {
  color: #f1f1f1;
}

.sidebar .closebtn {
  position: absolute;
  top: 0;
  right: 25px;
  font-size: 36px;
  margin-left: 50px;
}

.openbtn {
  font-size: 20px;
  cursor: pointer;
  background-color: #111;
  color: white;
  padding: 10px 15px;
  border: none;
}

.openbtn:hover {
  background-color: #444;
}

#main {
  transition: margin-left .5s;
  padding: 16px;
}

/* On smaller screens, where height is less than 450px, change the style of the sidenav (less padding and a smaller font size) */
@media screen and (max-height: 450px) {
  .sidebar {padding-top: 15px;}
  .sidebar a {font-size: 18px;}
}
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>

<div id="mySidebar" >
  <a href="javascript:void(0)"  onclick="closeNav()">×</a>
  <a href="#">About</a>
  <a href="#">Services</a>
  <a href="#">Clients</a>
  <a href="#">Contact</a>
</div>

<div id="main">
  <button  onclick="openNav()">☰ Open Sidebar</button>  
  <h2>Collapsed Sidebar</h2>
  <p>Click on the hamburger menu/bar icon to open the sidebar, and push this content to the right.</p>
</div>
   
</body>
</html> 

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