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boostrap

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May 14th, 2018
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jQuery 0.53 KB | None | 0 0
  1. jQuery(function () {
  2.     'use strict';
  3.     var varBtn = jQuery('.glyphicon'),
  4.         winSrcoll = jQuery(window),
  5.         body = jQuery("body, html");
  6.  
  7.     jQuery(window).scroll(function () {
  8.         if (winSrcoll.scrollTop() >= 500) {
  9.             varBtn.addClass('active');
  10.         }
  11.         if (winSrcoll.scrollTop() < 500) {
  12.             varBtn.removeClass('active');
  13.         }
  14.     });
  15.     varBtn.click(function () {
  16.         body.delay(222).animate({ scrollTop: - 50 }, 222,'easeInOutCirc');
  17.         return false;
  18.     });
  19. });
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