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Scrolling Locking
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| <script> | |
| // Scroll locking | |
| var overlayShown = false; | |
| var scrollPosition = 0; | |
| function toggleScrollLock() { | |
| if (!overlayShown) { | |
| showOverlay(); | |
| } else { | |
| removeOverlay(); | |
| } | |
| overlayShown = !overlayShown; | |
| } | |
| function showOverlay() { | |
| scrollPosition = window.pageYOffset; | |
| $('body').addClass('lock-scrolling'); | |
| $('#wrapper').css('marginTop', -(scrollPosition)); | |
| } | |
| function removeOverlay() { | |
| $('body').removeClass('lock-scrolling'); | |
| window.scrollTo(0, scrollPosition); | |
| $('#wrapper').css('marginTop', 0); | |
| } | |
| $('.js-toggle-lock-scrolling').on('click', function() { | |
| toggleScrollLock(); | |
| }); | |
| </script> | |
| <style> | |
| body.lock-scrolling { | |
| position: fixed; | |
| overflow: hidden; | |
| height: 100vh; | |
| width: 100vw; | |
| } | |
| </style> | |
| <body> | |
| <div id="wrapper"> | |
| </div> | |
| </body> |
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