https://www.fuelstreamservices.com/wp-content/themes/semantic/js/scripts.js

1(function ($) {
2	$(document).ready(function () {
3		
4		/*************** 
5		
6		Please put all scripts in the scripts.js in the child theme.
7		
8		***************/
9		
10		
11		/*************** Mobile sidebar nav ***************/
12		$('.launch.button, .launch.close').click(function () {
13			$('.ui.sidebar').sidebar('toggle');
14		});
15		
16		/*************** Dropdown ***************/
17		$('.ui.dropdown').dropdown();
18		
19		/*************** Accordion ***************/
20		$('.ui.accordion').accordion();
21		
22		/*************** Parallax ***************/
23		$.fn.parallax = function (options) {
24			var windowHeight = $(window).height();
25			// Establish default settings
26			var settings = $.extend({
27				speed: 0.15
28			}, options);
29			// Iterate over each object in collection
30			return this.each(function () {
31				// Save a reference to the element
32				var $this = $(this);
33				// Set up Scroll Handler
34				$(document).scroll(function () {
35					var scrollTop = $(window).scrollTop();
36					var offset = $this.offset().top;
37					var height = $this.outerHeight();
38					// Check if above or below viewport
39					if (offset + height <= scrollTop || offset >= scrollTop + windowHeight) {
40						return;
41					}
42					var yBgPosition = Math.round((offset - scrollTop) * settings.speed);

43					// Apply the Y Background Position to Set the Parallax Effect
44					$this.css('background-position', 'center ' + yBgPosition + 'px');
45				});
46			});
47		};
48		
49		$('.parallax').parallax({
50			speed: 0.15
51		});
52		
53		
54		/*************** Scrolling anchor tags ***************/
55		
56		// to use, simply add href="#anchor-tag" and it will scroll smoothly to that link
57		// Select all links with hashes
58$('a[href*="#"]')
59  // Remove links that don't actually link to anything
60  .not('[href="#"]')
61  .not('[href="#0"]')
62  .click(function(event) {
63    // On-page links
64    if (
65      location.pathname.replace(/^\//, '') === this.pathname.replace(/^\//, '') && location.hostname === this.hostname
66    ) {
67      // Figure out element to scroll to
68      var target = $(this.hash);
69      target = target.length ? target : $('[name=' + this.hash.slice(1) + ']');
70      // Does a scroll target exist?
71      if (target.length) {
72        // Only prevent default if animation is actually gonna happen
73        event.preventDefault();
74        $('html, body').animate({
75          scrollTop: target.offset().top
76        }, 1000, function() {
77          // Callback after animation
78          // Must change focus!
79          var $target = $(target);
80          $target.focus();
81          if ($target.is(":focus")) { // Checking if the target was focused
82            return false;
83          } else {
84            $target.attr('tabindex','-1'); // Adding tabindex for elements not focusable
85            $target.focus(); // Set focus again
86          }
87        });
88      }
89    }
90  });
91		 
92		 
93	/*************** close jquery and document ready ***************/
94	});
95})(jQuery);