<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<!------ Include the above in your HEAD tag ---------->
<head>
<link href="https://fonts.googleapis.com/css?family=Lato:400,700" rel="stylesheet">
</head>
<!-- Hero -->
<section class="et-hero-tabs">
<h1>Group 6 gpt</h1>
<h3>basta yan</h3>
<div class="et-hero-tabs-container">
<a class="et-hero-tab" href="#tab-english">English</a>
<a class="et-hero-tab" href="#tab-science">Science</a>
<a class="et-hero-tab" href="#tab-filipino">Filipino</a>
<a class="et-hero-tab" href="#tab-computer">Computer</a>
<a class="et-hero-tab" href="#tab-math">Math</a>
<span class="et-hero-tab-slider"></span>
</div>
</section>
<script src="firstpg.js "></script>
<!-- Main -->
<main class="et-main">
<section class="et-slide" id="tab-english">
<h1>English</h1>
<h3>something something</h3>
</section>
<section class="et-slide" id="tab-science">
<h1>Science</h1>
<h3>something something</h3>
</section>
<section class="et-slide" id="tab-filipino">
<h1>Filipino</h1>
<h3>something something</h3>
</section>
<section class="et-slide" id="tab-computer">
<h1>Computer</h1>
<h3>something something</h3>
</section>
<section class="et-slide" id="tab-math">
<h1>Math</h1>
<h3>something something</h3>
</section>
</main>
body {
font-family: "Century Gothic", "Lato", sans-serif;
}
a {
text-decoration: none;
}
.et-hero-tabs,
.et-slide {
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
height: 100vh;
position: relative;
background: #eee;
text-align: center;
padding: 0 2em;
}
.et-hero-tabs h1,
.et-slide h1 {
font-size: 2rem;
margin: 0;
letter-spacing: 1rem;
}
.et-hero-tabs h3,
.et-slide h3 {
font-size: 1rem;
letter-spacing: 0.3rem;
opacity: 0.6;
}
.et-hero-tabs-container {
display: flex;
flex-direction: row;
position: absolute;
bottom: 0;
width: 100%;
height: 70px;
box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
background: #fff;
z-index: 10;
}
.et-hero-tabs-container--top {
position: fixed;
top: 0;
}
.et-hero-tab {
display: flex;
justify-content: center;
align-items: center;
flex: 1;
color: #000;
letter-spacing: 0.1rem;
transition: all 0.5s ease;
font-size: 0.8rem;
}
.et-hero-tab:hover {
color: white;
background: rgba(102, 177, 241, 0.8);
transition: all 0.5s ease;
}
.et-hero-tab-slider {
position: absolute;
bottom: 0;
width: 0;
height: 6px;
background: #66b1f1;
transition: left 0.3s ease;
}
@media (min-width: 800px) {
.et-hero-tabs h1,
.et-slide h1 {
font-size: 3rem;
}
.et-hero-tabs h3,
.et-slide h3 {
font-size: 1rem;
}
.et-hero-tab {
font-size: 1rem;
}
}
class StickyNavigation {
constructor() {
this.currentId = null;
this.currentTab = null;
this.tabContainerHeight = 70;
let self = this;
$(".et-hero-tab").click(function () {
self.onTabClick(event, $(this));
});
$(window).scroll(() => {
this.onScroll();
});
$(window).resize(() => {
this.onResize();
});
}
onTabClick(event, element) {
event.preventDefault();
let scrollTop =
$(element.attr("href")).offset().top - this.tabContainerHeight + 1;
$("html, body").animate({ scrollTop: scrollTop }, 600);
}
onScroll() {
this.checkTabContainerPosition();
this.findCurrentTabSelector();
}
onResize() {
if (this.currentId) {
this.setSliderCss();
}
}
checkTabContainerPosition() {
let offset =
$(".et-hero-tabs").offset().top +
$(".et-hero-tabs").height() -
this.tabContainerHeight;
if ($(window).scrollTop() > offset) {
$(".et-hero-tabs-container").addClass("et-hero-tabs-container--top");
} else {
$(".et-hero-tabs-container").removeClass("et-hero-tabs-container--top");
}
}
findCurrentTabSelector(element) {
let newCurrentId;
let newCurrentTab;
let self = this;
$(".et-hero-tab").each(function () {
let id = $(this).attr("href");
let offsetTop = $(id).offset().top - self.tabContainerHeight;
let offsetBottom =
$(id).offset().top + $(id).height() - self.tabContainerHeight;
if (
$(window).scrollTop() > offsetTop &&
$(window).scrollTop() < offsetBottom
) {
newCurrentId = id;
newCurrentTab = $(this);
}
});
if (this.currentId != newCurrentId || this.currentId === null) {
this.currentId = newCurrentId;
this.currentTab = newCurrentTab;
this.setSliderCss();
}
}
setSliderCss() {
let width = 0;
let left = 0;
if (this.currentTab) {
width = this.currentTab.css("width");
left = this.currentTab.offset().left;
}
$(".et-hero-tab-slider").css("width", width);
$(".et-hero-tab-slider").css("left", left);
}
}
new StickyNavigation();
