Pen Settings

HTML

CSS

CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URL's added here will be added as <link>s in order, and before the CSS in the editor. If you link to another Pen, it will include the CSS from that Pen. If the preprocessor matches, it will attempt to combine them before processing.

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JavaScript

Babel is required to process package imports. If you need a different preprocessor remove all packages first.

Add External Scripts/Pens

Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

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Behavior

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Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

Format on Save

If enabled, your code will be formatted when you actively save your Pen. Note: your code becomes un-folded during formatting.

Editor Settings

Code Indentation

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HTML

              
                <div id="container"></div>
<div id="nav">
  <a id="link-a" href="#">AAAAA</a>
  <a id="link-b" href="#">BBBBB</a>
  <a id="link-c" href="#">CCCCC</a>
</div>
<div id="a" class="box"></div>
<div id="b" class="box"></div>
<div id="c" class="box"></div>
              
            
!

CSS

              
                body, html {
  margin: 0;
  height: 100%;
}

#container {
  width: 100%;
  height: 100%;
  background: lightgray;
  position: relative;
}

#nav {
  position: fixed;
  left: 20px;
  top: 20px;
}

#link-a, #link-b, #link-c {
  display: inline-block;
  padding: 1em;
  color: white;
  background: black;
  text-decoration: none;
}

.box {
  width: 100%;
  height: 100%;
  position: absolute;
}

#a {
  background: cyan;
}

#b {
  background: yellow;
}

#c {
  background: magenta;
}
              
            
!

JS

              
                // Define some view elements to work with
var a = $("#a");
var b = $("#b");
var c = $("#c");

// Remove these views from the DOM
a.remove();
b.remove();
c.remove();

// This var will hold a reference to the current view
var currentView;

// Define some transitions 
  var offLeft = {
    left: "-100%"
  };
  var onHorizontal = {
    left: 0
  };

  var offRight = {
    left: "100%"
  };
  
  var offDown = {
    top: "100%"
  };
  var offUp = {
    top: "-100%"
  };
  
  var onVertical = {
    top: 0
  };
  
  // These combinations create transitions in four directions
  // Slide right: offRight, offLeft, onHorizontal
  // Slide left: offLeft, offRight, onHorizontal
  // Slide down: offDown, offUp, onVertical
  // Slide up: offUp, offDown, onVertical

// Some helper functions to create transitions in four directions
function pushLeft(newView) {
  showView(newView, offRight, offLeft, onHorizontal)
}

function pushRight(newView) {
  showView(newView, offLeft, offRight, onHorizontal)
}

function pushDown(newView) {
  showView(newView, offDown, offUp, onVertical);
}

function pushUp(newView) {
  showView(newView, offUp, offDown, onVertical);
}


function showView(newView, exit, start, enter) {
  // Hide Current View
  if (currentView) {
    currentView.animate(exit, 400, function() {
      this.remove();
    });
  }
  // Show New View
  currentView = newView;
  $("#container").append(currentView);
  currentView.css(start).animate(enter, 400, function() {

  });
}


// These functions make use of the new transition helper functions
$("#link-a").click(function(event) {
  pushRight(a);
});

$("#link-b").click(function(event) {
  pushRight(b);
});

$("#link-c").click(function(event) {
  pushRight(c);
});
              
            
!
999px

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