JS next tab jump section - javascript

I have a simple next and previous tab to move between "section". When you click the next tab the page moved down and skips the next "section" and goes the one after.
var $sec = $("section");
$(".prev, .next").click(function() {
var y = $sec.filter(function(i, el) {
return el.getBoundingClientRect().top > 0;
})[$(this).hasClass("next") ? "next" : "prev"]("section").offset().top;
$("html, body").stop().animate({
scrollTop: y
});
});
<div data-role="page" id="main">
<section>
<div id="home-section" class="section">
<img src="images/welcome-homepage.jpg" />
</div>
</section>
<section>
<div id="about-section" class="section">
<img src="images/about-us.jpg" />
</div>
</section>
<section>
<div id="service-charter-section" class="section">
<img src="images/service-charter.jpg" />
</div>
</section>
<section>
<div id="testionials-section" class="section">
<img src="images/about-us.jpg" />
</div>
</section>
</div>

This should work. It does not account for current scroll position, i.e. if you scroll halfway down and hit next, it will continue in series from the last item clicked through. It just makes an array of all sections positions and hops through that as you click prev / next.
jQuery(document).ready(function($) {
var sectionPosition = 0;
var scrollPositions = []
function scroll(y) {
$('html').stop().animate({
scrollTop: y
});
}
$("section").each(function(i, el) {
scrollPositions.push(parseInt($(el).offset()['top']))
})
$(".prev, .next").click(function() {
if ($(this).hasClass('next')) {
scroll(scrollPositions[sectionPosition + 1]);
if (sectionPosition < scrollPositions.length) {
sectionPosition++;
}
} else if (sectionPosition > 0) {
scroll(scrollPositions[sectionPosition - 1]);
sectionPosition--;
}
});
});

Related

Remove Link on scroll

In my application I have 4 links with different IDs and 4 DIV with same ID as each link (I use them for anchor-jumping).
My current code:
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<div class="col-md-12 each-img" id="1">
<img src="img/album-img.png">
</div>
<div class="col-md-12 each-img" id="2">
<img src="img/album-img.png">
</div>
<div class="col-md-12 each-img" id="3">
<img src="img/album-img.png">
</div>
<div class="col-md-12 each-img" id="4">
<img src="img/album-img.png">
</div>
Sometime users just scroll to second div id="2" first before they click on buttons and when they do so, they are sent to top id="1" first instead of continue to next ID id="3".
Only one button is visible at a time with use of CSS and when link is clicked, I remove that link.
CSS
a.btn{display: none}
a.btn a:first-child{display: block !important;}
jQuery
$(document).ready(function(){
$('a.btn').click(function () {
$(this).remove(); // remove element which is being clicked
});
});
How can I achieve so if user scroll down, each link that has same ID as the DIV get removed.
For instance: If user scroll down to <div class="col-md-12" id="1">, One gets removed and Next link would be Two to click on.
PS: This is for a dynamic page and IDs will change, so we need another selector maybe
This is what I have tried until now, but problem is that it removes all the links and not first one only
$(function() {
var div = $('.each-img').offset().top;
$(window).scroll(function() {
var scrollTop = $(this).scrollTop();
$('.each-img').each(function(){
if (scrollTop >= div) {
$("a.btn:eq(0)").remove();
//$("a.btn:first-child").remove();
}
});
});
});
PS: The way HTML & CSS is setup doesn't need to like this and I can change it to whatever that will be better for the function
It's no problem to make it dynamic:
JSFiddle: https://jsfiddle.net/rc0v2zrw/
var links = $('.btn');
$(window).scroll(function() {
var scrollTop = $(this).scrollTop();
links.each(function() {
var href = $(this).attr('href');
var content = $(href);
if (scrollTop > content.offset().top) {
$(this).hide();
}
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div style="position:fixed; top:0; left:0; right:0">
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</div>
<div class="col-md-12" id="1">
<img src="http://lorempixel.com/400/500/">
</div>
<div class="col-md-12" id="2">
<img src="http://lorempixel.com/450/500/">
</div>
<div class="col-md-12" id="3">
<img src="http://lorempixel.com/480/500/">
</div>
<div class="col-md-12" id="4">
<img src="http://lorempixel.com/500/500/">
</div>
I think this is more or less what you're after:
JSFiddle
https://jsfiddle.net/wc0cdfhv/
It's good to cache the position of your elements outside the scroll function, this way it doesn't need to be calculated every time.
You should also keep in mind this won't scale too well if you have dynamic content but if you're just working with 4 static links it will do fine.
Code
$(function() {
var scroll1 = $('#1').offset().top;
var scroll2 = $('#2').offset().top;
var scroll3 = $('#3').offset().top;
var scroll4 = $('#4').offset().top;
$(window).scroll(function() {
var scrollTop = $(this).scrollTop();
if (scrollTop >= scroll4) {
$("#go1, #go2, #go3, #go4").hide();
}
else if (scrollTop >= scroll3) {
$("#go1, #go2, #go3").hide();
$("#go4").show();
}
else if (scrollTop >= scroll2) {
$("#go1, #go2").hide();
$("#go3, #go4").show();
}
else if (scrollTop >= scroll1) {
$("#go1").hide();
$("#go2, #go3, #go4").show();
}
else {
$("#go1, #go2, #go3, #go4").show();
}
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div style="position:fixed; top:0; left:0; right:0; background:#CCC">
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</div>
<div class="col-md-12" id="1">
<img src="https://www.myoodle.com/images/easyblog/616/2014042_Therapy_Dog_003.jpg">
</div>
<div class="col-md-12" id="2">
<img src="https://www.myoodle.com/images/easyblog/616/2014042_Therapy_Dog_003.jpg">
</div>
<div class="col-md-12" id="3">
<img src="https://www.myoodle.com/images/easyblog/616/2014042_Therapy_Dog_003.jpg">
</div>
<div class="col-md-12" id="4">
<img src="https://www.myoodle.com/images/easyblog/616/2014042_Therapy_Dog_003.jpg">
</div>
use scrollEvent listener
$(window).scroll(function(e){
if($(this)).scrollTop >= $('div#1').offset().top){
$("a#1").hide();
}
});
Use Something like that and it will work .. Hope this helps

Jquery animate works in console, but not in script

I've been beating my head against this all day. I'm writing this little slider/image rotating script and I cannot get it to change these elements. I can animate the images from the console with $('.slide:nth-child(1)').animate({display: 'block'});, but nothing from the script.
html
<div id="main">
<div class="wrapper">
<div class="slider">
<div class="slide">
<img src="/_site/images/interior-decor.jpg" />
</div>
<div class="slide">
<img src="/_site/images/Showhome-Living-Room.jpg" />
</div>
<div class="slide">
<img src="/_site/images/SL-Master-bedroom-1.jpg" />
</div>
</div>
</div>
</div>
javascript
var sl = {} || [];
sl.imgs = $('.slide');
sl.cnt = 1;
sl.wait = 6000;
sl.num = sl.imgs.length; //count length of .slide divs
//hide all but first image
$('.slide:nth-child(n + 2)').css('display', 'none');
//
sl.func = function() {
var prev = sl.cnt;
sl.cnt++;
var next;
if (sl.cnt > (sl.num)) {
sl.cnt = 1;
next = 1;
}
else {next = sl.cnt;}
$('.slide:nth-child(' + next + ')').animate({display: 'block'});
$('.slide:nth-child(' + prev + ')').animate({display: 'none'});
console.log('Previous: '+prev+' Next: '+next);
};
window.setInterval(function() {
sl.func()
}, sl.wait);
The script consoles out Previous: 1 Next: 2 and so forth every six seconds, but nothing changes.
You cannot animate display property. You can animate opacity or max-height instead:
$('.slide:nth-child(' + next + ')').animate({opacity: 1})
$('.slide:nth-child(' + prev + ')').animate({opacity: 0});

jquery .each() only doing last element

I am having problems with this function not running correctly... it only makes the last Element have the box appear.
NOTES: <aside> is position: fixed; and I do know this is not a "Proper" use of <article> tags, but it helps me to differentiate them for now.
HTML:
<aside class="character">
<div class="personHolder">
<div class="person"></div>
</div>
<div class="arrow_box"></div>
</aside>
<main class="main">
<section class="sections" id="Home">
<article class="article1">
<h1 class="sectionHeaders">Home</h1>
</article>
</section>
<section class="sections" id="About">
<article class="article2">
<h1 class="sectionHeaders">About Me</h1>
</article>
</section>
<section class="sections" id="Projects">
<article class="article3">
<h1 class="sectionHeaders">Projects</h1>
</article>
</section>
<section class="sections" id="Contact">
<article class="article3">
<h1 class="sectionHeaders">Contact Me</h1>
</article>
</section>
</main>
JavaScript/JQuery:
function checkElement() {
var article1 = $(".article1");
var article2 = $(".article2");
var article3 = $(".article3");
var article4 = $(".article4");
var arrowTop = 170;
var arrowBottom = 258;
var articles = [article1, article2, article3, article4];
$.each(articles, function(index, value) {
if(value.offset().top < arrowTop &&
value.offset().top + value.height() > arrowBottom) {
$(".arrow_box").show();
} else {
$(".arrow_box").hide();
}
});
}
The following is the best thing I can do to a Fiddle, as I cannot make the fiddle work correctly... (Sorry)
Free Website Host
I have tried the below before as well.
$("article").each(function() {
if(this.offset().top < arrowTop &&
this.offset().top +
this.height() > arrowBottom) {
$(".arrow_box").show();
} else {
$(".arrow_box").hide();
}
});
FINAL SOLUTION:
var showing = false;
$("article").each(function() {
if (showing) return;
if($(this).offset().top < arrowTop &&
$(this).offset().top +
$(this).height() > arrowBottom) {
$(".arrow_box").show();
showing = true;
} else {
$(".arrow_box").hide();
}
});
It seems like you are saying that each article has its own arrow box.
In your function, you will check the offset of all articles, but the $(".arrow_box") selector will be the same for all articles, so you will hide/show it only depending on the last articles offset.
I dont know your HTML tree, but try to change the selector to something like
value.closest(".arrow_box").show();
Update
You want to cancel the each() once you have found an article in range. This can be done like this for instance:
var showing = false;
$("article").each(function() {
if (showing) return;
if(this.offset().top < arrowTop &&
this.offset().top +
this.height() > arrowBottom) {
$(".arrow_box").show();
showing = true;
} else {
$(".arrow_box").hide();
}
});

jquery and event scroll

i have 1 class html with various elements i want add a class new class in first element that scroll top reach the top ofos this elements, then when the scroll reach the second add in second too and so on. i tried this
var element = $(".element");
$(window).scroll(function () {
var scroll = $(window).scrollTop();
for(var i = 0; i < element.length;i++){
if(scroll > element.eq(i)){
element.eq(i).addClass("newClass");
}
}
})
html piece
<div>
<div class="element">
<img src="img/image1" />
</div>
<div class="element">
<img src="img/image2" />
</div>
<div class="element">
<img src="img/image3" />
</div>
</div>
but this line element.eq(i).addClass("newClass") dont work :) how i should to do
try to use
if(scroll > element.eq(i).offset().top - ($(window).height() / 2) ){
element.eq(i).addClass("newClass");
}
DEMO

Infinite looping slideshow of HTML pages with jQuery

I'm trying to make a slideshow of HTML pages outputting to a screen 24/7. What I have works, but different slides need different intervals. How can I achieve this?
The output is fullscreen with a fixed footer which displays logo, some messages and the time.
jQuery
$(document).ready(function () {
var div = $('#content'); // Target iFrame
var slides = ['welcome','movie']; // Which slides
var time = 5000; // Default interval
var folder = 'slides'; // Folder where the HTML slides are
var extension = 'html';
var index = 1; // Skip first (0), already loaded by default SRC from iframe
$.ajaxSetup({
cache: false // Maybe not neccesary any more, before I used a div and $.load() instead of iframe
});
function loop() {
if (index === slides.length) { // If at end
index = 0; // Start again
}
div.attr('src', folder + '/' + slides[index] + '.' + extension); // Load next one
index++;
}
setInterval(function () {
loop();
}, time);
});
HTML
<iframe id="content" src="slides/welcome.html" width="100%" height="100%" frameborder="0"></iframe>
<div id="bar">
<div class="row">
<div class="col-lg-3">
<img src="img/logo.png" alt="" id="logo">
</div>
<div class="col-lg-6">
<div id="welcome">
Welcome <span>visitor</span>!
</div>
</div>
<div class="col-lg-3">
<div id="time"></div>
</div>
</div>
</div>
Using setTimeout and buttons to start and stop the loop.
http://jsfiddle.net/nirmaljpatel/75tmnmbq/
<html>
<head>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script>
<link rel="stylesheet" href="https://code.jquery.com/ui/1.11.4/themes/smoothness/jquery-ui.css">
<script src="https://code.jquery.com/ui/1.11.4/jquery-ui.js"></script>
</head>
<body>
<div id="bar">
<div class="row">
<div class="col-lg-3">
<img src="img/logo.png" alt="" id="logo">
</div>
<div class="col-lg-6">
<div id="welcome">
Welcome <span>visitor</span>!
</div>
</div>
<div class="col-lg-3">
<div id="time"></div>
</div>
</div>
</div>
<div id="content"></div>
</body>
<script>
$(document).ready(function () {
var div = $('#content'); // Target iFrame
var slides = [{"ImageName":"Welcome", "Time":200},{"ImageName":"Image1", "Time":5000},{"ImageName":"Image3", "Time":1000},{"ImageName":"Image4", "Time":500},]; // Which slides
//var slideObj = JSON.parse(slides);
//alert(slides);
var time = 5000; // Default interval
var folder = 'slides'; // Folder where the HTML slides are
var extension = 'html';
var index = 0; // Skip first (0), already loaded by default SRC from iframe
$.ajaxSetup({
cache: false // Maybe not neccesary any more, before I used a div and $.load() instead of iframe
});
function loop() {
if (index == slides.length) { // If at end
index = 0; // Start again
}
div.html("ImageName: "+slides[index].ImageName + "; Image Time Interval: "+slides[index].Time); // Load next one
index++;
}
if(index==0)
loop();
setInterval(loop, slides[index].Time);
});
</script>
</html>

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