How do you get the footer to stay at the bottom of

2018-12-30 23:19发布

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I have a simple 2-column layout with a footer that clears both the right and left div in my markup. My problem is that I can't get the footer to stay at the bottom of the page in all browsers. It works if the content pushes the footer down, but that's not always the case.

Update:

It's not working properly in Firefox. I'm seeing a strip of background color below the footer when there's not enough content on the page to push the footer all the way down to the bottom of the browser window. Unfortunately, this is the default state of the page.

24条回答
梦寄多情
2楼-- · 2018-12-30 23:58

The flex solutions worked for me as far as making the footer sticky, but unfortunately changing the body to use flex layout made some of our page layouts change, and not for the better. What finally worked for me was:

    jQuery(document).ready(function() {

    var fht = jQuery('footer').outerHeight(true);
    jQuery('main').css('min-height', "calc(92vh - " + fht + "px)");

});

I got this from ctf0's response at https://css-tricks.com/couple-takes-sticky-footer/

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倾城一夜雪
3楼-- · 2018-12-30 23:59

None of these pure css solutions work properly with dynamically resizing content (at least on firefox and Safari) e.g., if you have a background set on the container div, the page and then resize (adding a few rows) table inside the div, the table can stick out of the bottom of the styled area, i.e., you can have half the table in white on black theme and half the table complete white because both the font-color and background color is white. It's basically unfixable with themeroller pages.

Nested div multi-column layout is an ugly hack and the 100% min-height body/container div for sticking footer is an uglier hack.

The only none-script solution that works on all the browsers I've tried: a much simpler/shorter table with thead (for header)/tfoot (for footer)/tbody (td's for any number of columns) and 100% height. But this have perceived semantic and SEO disadvantages (tfoot must appear before tbody. ARIA roles may help decent search engines though).

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大哥的爱人
4楼-- · 2018-12-31 00:00

Use absolute positioning and z-index to create a sticky footer div at any resolution using the following steps:

  • Create a footer div with position: absolute; bottom: 0; and the desired height
  • Set the padding of the footer to add whitespace between the content bottom and the window bottom
  • Create a container div that wraps the body content with position: relative; min-height: 100%;
  • Add bottom padding to the main content div that is equal to the height plus padding of the footer
  • Set the z-index of the footer greater than the container div if the footer is clipped

Here is an example:

    <!doctype html>
    <html>
    <head>
      <title>Sticky Footer</title>
      <meta charset="utf-8">
      <style>
      .wrapper { position: relative; min-height: 100%; }
      .footer { position: absolute; bottom:0; width: 100%; height: 200px; padding-top: 100px; background-color: gray; }
      .column { height: 2000px; padding-bottom: 300px; background-color: green; }
     /* Set the `html`, `body`, and container `div` to `height: 100%` for IE6 */

      </style>
    </head>
    <body>
      <div class="wrapper">
        <div class="column">
          <span>hello</span>
        </div>
        <div class="footer">
          <p>This is a test. This is only a test...</p>
        </div>
      </div>
    </body>
    </html>

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初与友歌
5楼-- · 2018-12-31 00:00

For me the nicest way of displaying it (the footer) is sticking to the bottom but not covering content all the time:

#my_footer {
    position: static
    fixed; bottom: 0
}
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旧人旧事旧时光
6楼-- · 2018-12-31 00:01

CSS :

  #container{
            width: 100%;
            height: 100vh;
            }
 #container.footer{
            float:left;
            width:100%;
            height:20vh;
            margin-top:80vh;
            background-color:red;
            }

HTML:

           <div id="container">
               <div class="footer">
               </div>
           </div>

This should do the trick if you are looking for a responsive footer aligned at the bottom of the page,which always keeps a top-margin of 80% of the viewport height.

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忆尘夕之涩
7楼-- · 2018-12-31 00:05

jQuery CROSS BROWSER CUSTOM PLUGIN - $.footerBottom()

Or use jQuery like I do, and set your footer height to auto or to fix, whatever you like, it will work anyway. this plugin uses jQuery selectors so to make it work, you will have to include the jQuery library to your file.

Here is how you run the plugin. Import jQuery, copy the code of this custom jQuery plugin and import it after importing jQuery! It is very simple and basic, but important.

When you do it, all you have to do is run this code:

$.footerBottom({target:"footer"}); //as html5 tag <footer>.
// You can change it to your preferred "div" with for example class "footer" 
// by setting target to {target:"div.footer"}

there is no need to place it inside the document ready event. It will run well as it is. It will recalculate the position of your footer when the page is loaded and when the window get resized.

Here is the code of the plugin which you do not have to understand. Just know how to implement it. It does the job for you. However, if you like to know how it works, just look through the code. I left comments for you.

//import jQuery library before this script


// Import jQuery library before this script

// Our custom jQuery Plugin
(function($) {
  $.footerBottom = function(options) { // Or use "$.fn.footerBottom" or "$.footerBottom" to call it globally directly from $.footerBottom();
    var defaults = {
      target: "footer",
      container: "html",
      innercontainer: "body",
      css: {
        footer: {
          position: "absolute",
          left: 0,
          bottom: 0,
        },

        html: {
          position: "relative",
          minHeight: "100%"
        }
      }
    };

    options = $.extend(defaults, options);

    // JUST SET SOME CSS DEFINED IN THE DEFAULTS SETTINGS ABOVE
    $(options.target).css({
      "position": options.css.footer.position,
      "left": options.css.footer.left,
      "bottom": options.css.footer.bottom,
    });

    $(options.container).css({
      "position": options.css.html.position,
      "min-height": options.css.html.minHeight,
    });

    function logic() {
      var footerOuterHeight = $(options.target).outerHeight(); // Get outer footer height
      $(options.innercontainer).css('padding-bottom', footerOuterHeight + "px"); // Set padding equal to footer height on body element
      $(options.target).css('height', footerOuterHeight + "!important"); // Set outerHeight of footer element to ... footer
      console.log("jQ custom plugin footerBottom runs"); // Display text in console so ou can check that it works in your browser. Delete it if you like.
    };

    // DEFINE WHEN TO RUN FUNCTION
    $(window).on('load resize', function() { // Run on page loaded and on window resized
      logic();
    });

    // RETURN OBJECT FOR CHAINING IF NEEDED - IF NOT DELETE
    // return this.each(function() {
    //   this.checked = true;
    // });
    // return this;
  };
})(jQuery); // End of plugin


// USE EXAMPLE
$.footerBottom(); // Run our plugin with all default settings for HTML5
/* Set your footer CSS to what ever you like it will work anyway */
footer {
  box-sizing: border-box;
  height: auto;
  width: 100%;
  padding: 30px 0;
  background-color: black;
  color: white;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>

<!-- The structure doesn't matter much, you will always have html and body tag, so just make sure to point to your footer as needed if you use html5, as it should just do nothing run plugin with no settings it will work by default with the <footer> html5 tag -->
<body>
  <div class="content">
  <header>
    <nav>
      <ul>
        <li>link</li>
        <li>link</li>
        <li>link</li>
        <li>link</li>
        <li>link</li>
        <li>link</li>
      </ul>
    </nav>
  </header>

  <section>
      <p></p>
      <p>Lorem ipsum...</p>
    </section>
  </div>
  <footer>
    <p>Copyright 2009 Your name</p>
    <p>Copyright 2009 Your name</p>
    <p>Copyright 2009 Your name</p>
  </footer>

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