Landing page with delay then auto scrolls downwards - javascript

I'm new to jquery/javascript and have came across an issue.
I have a landing page that displays a large logo.
I am wanting a 3 second pause/delay before the automated scroll takes effect.
the code I am using at the moment is-
JS
$('html, body').animate({scrollTop: $('#hello').offset().top}, 4000);
HTML
<div class="fillwindow" style="background-image:url('#')">
<div class="landing__logo">
<img class="landing__logo-img" src="#">
</div>
</div>
<div class="fillwindow" id="hello" style="background-image:url('#')">
<div class="nav-header">
PORTFOLIO
</div>
<div class="nav-hitstate"></div>
</div>

As per the comments above:
$(document).ready(function() {
setTimeout(function() {
('html, body').animate({scrollTop: $('#hello').offset().top },4000);
}, 2000);})

A big thanks to - Sideroxylon for the help. His advice was the correct answer I was looking for.
$(document).ready(function() {
setTimeout(function() {
$('html, body').animate({
scrollTop: $('#hello').offset().top
},4000);
}, 2000);
});

Related

How to scroll on click of a button to a certain element/div on the bottom of the page with jQuery?

I have tried different variations of this and it still does not work for me. I am trying to add an animation so that when I click in the button, it scrolls down to the certain element on the page.
Here's my code:
<script src= "https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js">
</script>
<!-- jQuery code to show the working of this method -->
<script>
$(document).ready(function() {
$("#nav-projects").click(function() {
$("html, body").animate({
scrollTop: $(
'html, body').get(0).scrollHeight
}, 2000);
});
});
</script>
An alternative way with CSS without jQuery ($('#yourelement').offset().top;) or Javascript would be:
html {
scroll-behavior: smooth;
}
Goto A
Goto B
Goto C
<hr>
<div id="A" style="height:500px;">Section A</div>
<div id="B" style="height:500px;">Section B</div>
<div id="C" style="height:500px;">Section C</div>
Try this:
<script>
$(document).ready(function() {
$("#nav-projects").click(function() {
$("html, body").animate({
scrollTop: $(
#id).height()
}, 2000);
});
});
</script>
Replace id with the id of the element to which you wish to scroll to and adjust the height accordingly.

Why does scrollTop not respond?

The other jQuery scripts on the page are working fine, just not scrollTop, I could even get it to work on https://jsfiddle.net/ivolong/tyvusdte/ just not on my website, which is using JQuery 3.2.1.
In between script tags in the body I have:
$("#button1").click(function() {
$('html, body').animate({
scrollTop: $("#slide2").offset().top
}, 3000);
});
$("#button2").click(function() {
$('html, body').animate({
scrollTop: $("#slide1").offset().top
}, 3000);
});
Then I have:
<div class="slide" id="slide1">
<p id="title">Title</p>
<div id="specialText">
<p>Line 1.</p>
<p>Line 2.</p>
<p>Line 3.</p>
<p>Line 4.</p>
</div>
<button class="button" id="button1">↓</button>
</div>
<div class="slide" id="slide2">
<p id="title">Title</p>
<div id="text">
<p>Line 5.</p>
<p>Line 6.</p>
<p>Line 7.</p>
<p>Line 8.</p>
</div>
<button class="button" id="button2">↓</button>
</div>
But it doesn't respond when the button is clicked
It's because the javascript code is above the html code. At that point when the javascript code is interpreted, there are not buttons rendered which leads to no event handler being attached.
You can fix this by placing you javascript code under you html code, or like correctly in a comment below mentioned: by wrapping your code inside jQueries document.ready function which will look like:
$(document).ready(function() {
$("#button1").click(function() {
$('html, body').animate({
scrollTop: $("#slide2").offset().top
}, 3000);
});
$("#button2").click(function() {
$('html, body').animate({
scrollTop: $("#slide1").offset().top
}, 3000);
});
});

Scroll to top of an element without using animate

HOw can I scroll to top of an element without using animate()? I googled, but all answers are with animate().
$("#button").click(function() {
$('html, body').animate({
scrollTop: $("#elementtoScrollToID").offset().top
}, 2000);
});
I just want to instantly go to the top of an element. In my case, the animate() is not necessary.
Use .scrollTop()
$("#button").click(function() {
$('html, body').scrollTop( $("#elementtoScrollToID").offset().top);
});
.dummy {
height: 1200px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<button id="button">Test</button>
<div class="dummy"></div>
<div id="elementtoScrollToID">elementtoScrollToID</div>
You can do it just passing an anchor, pure HTML:
go to top
and you just add an <a name="top"></a> on the top of your website :)
You achieve the same affect without jQuery by using Window.scroll()
document.getElementById("button").onclick = function() {
window.scroll(0,document.getElementById("elementtoScrollToID").offsetTop);
};
<button id="button">Button</button>
<div id="elementtoScrollToID" style="margin: 800px 0;">
Scroll to here...
</div>
<!-- jQuery -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>

Add class to appropriate nav tab when cooresponding div is scrolled into

I have read similar questions and researched scrollspy, but I don't believe it will do quite what I'm looking for, since as far as I can tell it can only use bootstrap style highlighting. (If it can do more please let me know!)
I have a 4-tab navbar (usually fixed top) and a single-page site. Each tab corresponds to a different section of the page, and each section has a different background color. What I'd like to do is change the tab color to be the same as the corresponding section's background color whenever that region is scrolled to (so it will only change color once the new section's top reaches the navbar's bottom.) I have achieved this effect only when the tab is clicked, triggering a scroll event and adding an active class, however the active tab will then remain if clicking is not used, creating the problem.
Is there a way to change a variable based off the current scroll location? I have tried what I can think of but it hasn't worked yet.
JS
$(window).on('scroll', function () {
if ($(window).scrollTop() >= $('#homeContainer').height()) {
$('.menuDiv').addClass('fixed');
} else {
$('.menuDiv').removeClass('fixed');
}
});
$("#menuHomeButton").click(function(e){
$('html, body').animate({
scrollTop: $('#homeContainer').offset().top
}, 'slow');
});
$("#menuAboutButton").click(function(e){
$('html, body').animate({
scrollTop: $('#aboutContainer').offset().top + 1
}, 'slow');
});
$("#menuPortfolioButton").click(function(e){
$('html, body').animate({
scrollTop: $('#portfolioContainer').offset().top - $('.menuDiv').height() + 1
}, 'slow');
});
$("#menuContactButton").click(function(e){
$('html, body').animate({
scrollTop: $('#contactContainer').offset().top - $('.menuDiv').height() + 1
}, 'slow');
});
HTML
<div class="mainContainer">
<div class="container blue" id="homeContainer">
</div>
<div class="menuDiv"><!--
--><div class="menuItem" id="menuHomeButton" ng-class="{'active':selectedTab === 'home'}" ng-click="selectedTab = 'home'">
<div class="menuTextDiv"><p>Home</p></div><div class="menuItemColor blue"></div>
</div><!--
--><div class="menuItem" id="menuAboutButton" ng-class="{'active2':selectedTab === 'about'}" ng-click="selectedTab = 'about'">
<div class="menuTextDiv"><p>About</p></div><div class="menuItemColor blue2"></div>
</div><!--
--><div class="menuItem" id="menuPortfolioButton" ng-class="{'active3':selectedTab === 'portfolio'}" ng-click="selectedTab = 'portfolio'">
<div class="menuTextDiv"><p>Portfolio</p></div><div class="menuItemColor blue3"></div>
</div><!--
--><div class="menuItem" id="menuContactButton" ng-class="{'active4':selectedTab === 'contact'}" ng-click="selectedTab = 'contact'">
<div class="menuTextDiv"><p>Contact</p></div><div class="menuItemColor blue4"></div>
</div><!--
--></div>
<div class="container blue2" id="aboutContainer">
</div>
<div class="container blue3" id="portfolioContainer">
</div>
<div class="container blue4" id="contactContainer">
</div>
<div class="container">
</div>
</div>
Here is a fiddle, but for some reason I couldn't get the ng-click and ng-class to work on it, which changes the tab color.
Here are some images of what it looks like not on js fiddle:
What I want and have:
http://i.gyazo.com/3c7d6d80a9a490b31e795cacebbaa1a0.png
http://i.gyazo.com/1bd597080bdba6ffa34fe18cf5462b74.png
What I don't want but still also have:http://i.gyazo.com/d066effabd276d978e4775666a3b5d6c.png
If anyone has a solution I'd be extremely greatful! Thank you!
Get the distance of the div from top:
distance = $("div").scrollTop()
note: do not use var when declaring distance because than you can't access it inside a function
Then check if div has reached the top and add class:
$(window).on('scroll', function () {
if(distance - $("div").scrollTop() >= distance ){
//do something
}
});

jquery scrollTo to work with a button

I'm having trouble getting a simple jquery code to work. I want a button to scroll the page down to another div.
The code is in here: http://jsfiddle.net/utm6d/
html:
<div class="jumbotron">
<div class="container text-center">
<h1>Scroll down!</h1>
<a type="button" id="helloclick" class="btn btn-default">scroll!</a>
</div>
</div>
<div class="container text-center" id="second">
<p> come here </p>
</div>
js:
$('#helloclick').click(function(){
$('html, body').ScrollTo("#second");
});
You need to use the scrollTop() method with an offset() of your target object.
$(function() {
$('#helloclick').click(function(e){
e.preventDefault();
$('html, body').animate({
scrollTop: $("#second").offset().top
}, 500);
});
});
EDIT: Code needed to be wrapped in $(function() {...});, to ensure #helloclick & #second are loaded before being executed.
See it working on JSFiddle
Try this:
$('#helloclick').click(function(){
$('html, body').animate({
scrollTop: $('#second').offset().top
}, 500);});
Working Demo
jQuery does not have .ScrollTo() method.
In your case, you need to use .scrollTop():
$('#helloclick').click(function(){
$('html,body').animate({ scrollTop: $('#second').offset().top });
});
Fiddle Demo

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