{"id":572,"date":"2020-12-21T13:25:00","date_gmt":"2020-12-21T11:25:00","guid":{"rendered":"https:\/\/html-online.com\/articles\/?p=572"},"modified":"2024-09-13T12:00:26","modified_gmt":"2024-09-13T09:00:26","slug":"stick-bottom","status":"publish","type":"post","link":"https:\/\/html-online.com\/articles\/stick-bottom\/","title":{"rendered":"Stick Sidebar To The Bottom Of The Page When Scrolled Through"},"content":{"rendered":"

Don’t let important short sidebars disappear when visitors scroll though the web page. In this article I’m going to present how to stick a HTML element, to the bottom of the page with JavaScript when it’s about to disappear. I have already presented the way of attaching it to the top<\/a> of the page and this method is very similar to that.
\n\"stick<\/p>\n


\nCheck out the demonstration and come back for the explanation:<\/p>\n

Live demo (jsFiddle)<\/strong><\/a><\/p>\n

HTML<\/h2>\n
...<\/span>\n<<\/span>div<\/span> id<\/span>=\"stickThis\"<\/span>><\/span>\n  Sidebar<\/span>\n<<\/span>\/<\/span>div<\/span>><\/span>\n<<\/span>div<\/span> id<\/span>=\"stick-here\"<\/span>><\/span><<\/span>\/<\/span>div<\/span>><\/span>\n...<\/span>\n<\/pre>\n
Of course, your HTML will contain much more than this example. These are just the wrapping elements. We have the stickThis<\/em> section, wrapping everything that needs to me attached. The dots represent that anything may come before and after this section. The stick-here<\/em> element is necessary because we use that for detecting when the bottom of the section has been reached.<\/p>\n
JavaScript<\/h2>\n
function sticktothebottom<\/span>() {\n    var h =<\/span> window<\/span>.innerHeight<\/span>;\n    var window_top =<\/span> $<\/span>(window<\/span>).scrollTop();\n    var top =<\/span> $<\/span>('#stick-here'<\/span>).offset().top<\/span>;\n    var panelh =<\/span> $<\/span>(\"#stickThis\"<\/span>).height<\/span>();\n    if<\/span> (window_top +<\/span> h ><\/span> top +<\/span> 22<\/span>) {\n        $<\/span>('#stickThis'<\/span>).addClass('stick'<\/span>);\n        $<\/span>('#stick-here'<\/span>).height<\/span>($<\/span>('#stickThis'<\/span>).outerHeight<\/span>());\n    } \n    if<\/span> (window_top +<\/span> top <<\/span> panelh +<\/span> (22<\/span> *<\/span> 2<\/span>)) {\n        $<\/span>('#stickThis'<\/span>).removeClass('stick'<\/span>);\n        $<\/span>('#stick-here'<\/span>).height<\/span>(0<\/span>);\n    }\n}\n$<\/span>(function() {\n    $<\/span>(window<\/span>).scroll<\/span>(sticktothebottom);\n    sticktothebottom();\n});\n<\/pre>\n
The JavaScript function is fired every time the page is being scrolled. The sticktothebottom<\/em> function evaluates the position of the elements and decides whether to attach or detach the elements. It assigns or removes the stick<\/em> class.<\/p>\n
CSS<\/h2>\n
#stickThis<\/span> {\n    padding<\/span>: 5px<\/span><\/span>;\n    background-color<\/span>: #ccc<\/span>;\n    font-size<\/span>: 1.5em<\/span><\/span>;\n    width<\/span>: 300px<\/span><\/span>;\n    text-align<\/span>: center<\/span>;\n    font-weight<\/span>: bold<\/span>;\n    border<\/span>: 2px<\/span><\/span> solid<\/span> #444<\/span>;\n    border-radius<\/span>: 10px<\/span><\/span>;\n}\n#stickThis<\/span>.stick<\/span> {\n    margin-top<\/span>: 0<\/span>;\n    position<\/span>: fixed<\/span>;\n    bottom<\/span>: 22px<\/span><\/span>;\n    z-index<\/span>: 9999<\/span>;\n    border-radius<\/span>: 0<\/span> 20px<\/span><\/span> 20px<\/span><\/span> 0px<\/span><\/span>;\n}\n<\/pre>\n
The style is different when the section is scrolling freely and when it’s attached to the bottom. You can adjust these styles to match your design.<\/p>\n","protected":false},"excerpt":{"rendered":"
Don’t let important short sidebars disappear when visitors scroll though the web page. In this article I’m going to present how to stick a HTML element, to the bottom of the page with JavaScript when it’s about to disappear. I have already presented the way of attaching it to the top of the page and … Continue reading “Stick Sidebar To The Bottom Of The Page When Scrolled Through”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,3,5,6],"tags":[],"class_list":["post-572","post","type-post","status-publish","format-standard","hentry","category-articles","category-freebies","category-javascript","category-jquery"],"yoast_head":"\nStick Sidebar To The Bottom Of The Page When Scrolled Through<\/title>\n<meta name=\"description\" content=\"present how to stick a HTML element like a short sidebar, to the bottom of the page with JavaScript when it's about to disappear.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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