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Basically I am just trying to do random jQuery stuff for educational purpose, and here is my very simple slider. I want it to work automatically and also with controls (little arrows to scroll to next/previous slider). The only problem that I have right now is that when you press the arrow, the function that automatically switches slides every 5 seconds is still counting these 5000 ms, so the next slide appears faster then desired. What I want is to make those arrows reset the timer, so you press the arrow -> next slide appears -> only after 5 seconds later the slide switches again. Sorry for sloppy explanation, hope I made it clear enough.
Here's the jsfiddle: /
and here is the code
HTML
<body>
<div id="wrapper">
<header>
<h1>Simplest Sliding Image Slider</h1>
</header>
<div id="content">
<div id="slider_container">
<div id="slider">
<div class="slides" id="slide1">
<img src=".jpg" alt="" />
</div>
<div class="slides" id="slide2">
<img src=".jpg" alt="" />
</div>
<div class="slides" id="slide3">
<img src=".jpg" alt="" />
</div>
</div>
</div>
</div>
<footer></footer>
</div>
</body>
JS
jQuery(document).ready(function($) {
// start slider function
startSlider();
// set width and step variables and add active class to first slider
var slideWidth = $('.slides').width();
$('#slide1').addClass('slides active');
// actual function
function startSlider() {
looper = setInterval(function() {
// remove and add class active
$('.active').removeClass('active').next().addClass('active');
// animation expression
$('.active').animate({'left': '-=' + (slideWidth) + 'px'}, 500);
$('.active').siblings().animate({'left': '-=' + (slideWidth) + 'px'}, 500);
// return to first slide after the last one
if($('.active').length == 0) {
$('#slide1').addClass('active');
$('.slides').animate({'left': 0}, 500);
}
}, 5000); // interval
// adding controls
$('.slides').append("<div class='controls'><a class='control_left' href='#'></a><a class='control_right' href='#'></a></div>");
// remove unnecessary controlls on first and last slides
$('.slides:nth-child(1) a.control_left').remove();
$(".slides:nth-child(" + $('.slides').length + ") a.control_right").remove();
// add functionality to controls
$('.control_left').on('click', function() {
$('.active').removeClass('active').prev().addClass('active');
$('.active').animate({'left': '+=' + (slideWidth) + 'px'}, 500);
$('.active').siblings().animate({'left': '+=' + (slideWidth) + 'px'}, 500);
});
$('.control_right').on('click', function() {
$('.active').removeClass('active').next().addClass('active');
$('.active').animate({'left': '-=' + (slideWidth) + 'px'}, 500);
$('.active').siblings().animate({'left': '-=' + (slideWidth) + 'px'}, 500);
});
}
});
Thx a lot in advance
Basically I am just trying to do random jQuery stuff for educational purpose, and here is my very simple slider. I want it to work automatically and also with controls (little arrows to scroll to next/previous slider). The only problem that I have right now is that when you press the arrow, the function that automatically switches slides every 5 seconds is still counting these 5000 ms, so the next slide appears faster then desired. What I want is to make those arrows reset the timer, so you press the arrow -> next slide appears -> only after 5 seconds later the slide switches again. Sorry for sloppy explanation, hope I made it clear enough.
Here's the jsfiddle: http://jsfiddle/cA9aW/
and here is the code
HTML
<body>
<div id="wrapper">
<header>
<h1>Simplest Sliding Image Slider</h1>
</header>
<div id="content">
<div id="slider_container">
<div id="slider">
<div class="slides" id="slide1">
<img src="http://s2.postimg/5uxqi0mgl/cats1.jpg" alt="" />
</div>
<div class="slides" id="slide2">
<img src="http://s2.postimg/66f6us2wl/cats2.jpg" alt="" />
</div>
<div class="slides" id="slide3">
<img src="http://s2.postimg/ai3sjs9th/cats3.jpg" alt="" />
</div>
</div>
</div>
</div>
<footer></footer>
</div>
</body>
JS
jQuery(document).ready(function($) {
// start slider function
startSlider();
// set width and step variables and add active class to first slider
var slideWidth = $('.slides').width();
$('#slide1').addClass('slides active');
// actual function
function startSlider() {
looper = setInterval(function() {
// remove and add class active
$('.active').removeClass('active').next().addClass('active');
// animation expression
$('.active').animate({'left': '-=' + (slideWidth) + 'px'}, 500);
$('.active').siblings().animate({'left': '-=' + (slideWidth) + 'px'}, 500);
// return to first slide after the last one
if($('.active').length == 0) {
$('#slide1').addClass('active');
$('.slides').animate({'left': 0}, 500);
}
}, 5000); // interval
// adding controls
$('.slides').append("<div class='controls'><a class='control_left' href='#'></a><a class='control_right' href='#'></a></div>");
// remove unnecessary controlls on first and last slides
$('.slides:nth-child(1) a.control_left').remove();
$(".slides:nth-child(" + $('.slides').length + ") a.control_right").remove();
// add functionality to controls
$('.control_left').on('click', function() {
$('.active').removeClass('active').prev().addClass('active');
$('.active').animate({'left': '+=' + (slideWidth) + 'px'}, 500);
$('.active').siblings().animate({'left': '+=' + (slideWidth) + 'px'}, 500);
});
$('.control_right').on('click', function() {
$('.active').removeClass('active').next().addClass('active');
$('.active').animate({'left': '-=' + (slideWidth) + 'px'}, 500);
$('.active').siblings().animate({'left': '-=' + (slideWidth) + 'px'}, 500);
});
}
});
Thx a lot in advance
Share Improve this question asked Sep 28, 2013 at 15:41 Serge EremeevSerge Eremeev 1201 gold badge2 silver badges10 bronze badges 3- You want to reset it on every button click and startover again right? – PSL Commented Sep 28, 2013 at 15:53
- That's not the right (nor simplest) way to build sliders, just use 2 buttons instead of putting buttons all over the place – Roko C. Buljan Commented Sep 28, 2013 at 15:59
- I realise that this is very far from being perfect, but just wanted to make a simple slider first and solve all the problems I encounter. Now I will try to polish it, make it better, and then try something a little bit more advanced. – Serge Eremeev Commented Sep 28, 2013 at 16:06
2 Answers
Reset to default 3Slideshow with prev/next buttons, autoslide, pause on hover
Instead of jQuery's .animate() and animating the left CSS property, use the GPU accelerated CSS transform: translateX for the animation on a mon slides wrapper element
$(".SlideShow").each((i, EL) => {
const
$parent = $(EL),
$slides = $(".SlideShow-slides", EL),
$item = $(".SlideShow-item", EL),
$prevNext = $(".SlideShow-btn", EL),
tot = $item.length,
mod = (n, m) => ((n % m) + m) % m;
let
c = 0,
itv;
const prev = () => {c = mod(--c, tot); anim();};
const next = () => {c = mod(++c, tot); anim();};
const anim = () => $slides.css({transform: `translateX(-${c * 100}%)`});
const stop = () => clearInterval(itv);
const play = () => itv = setInterval(next, 4000);
$prevNext.on("click", (ev) => $(ev.currentTarget).is(".next") ? next() : prev());
$parent.hover(stop, play);
play(); // start
});.SlideShow {
position: relative;
overflow: hidden;
width: 100%;
height: 180px;
}
.SlideShow-slides {
display: flex;
flex-flow: row-nowrap;
height: 100%;
width: 100%;
transition: transform 0.7s; /* Animation duration here */
}
.SlideShow-item {
min-width: 100%;
}
.SlideShow-item>img {
display: block;
width: 100%;
height: 100%;
object-fit: cover;
}
.SlideShow-btn {
position: absolute;
top: 0;
z-index: 1;
width: 50px;
height: 100%;
background: rgba(255, 255, 255, 0.5);
opacity: 0.5;
border: 0;
cursor: pointer;
}
.SlideShow-btn:hover {
opacity: 1;
}
.SlideShow-btn.next {
right: 0px;
}<div class="SlideShow">
<div class="SlideShow-slides">
<div class="SlideShow-item"><img src="http://placehold.it/600x400/0bf?text=A" alt=""></div>
<div class="SlideShow-item"><img src="http://placehold.it/600x400/fb0?text=B" alt=""></div>
<div class="SlideShow-item"><img src="http://placehold.it/600x400/0fb?text=C" alt=""></div>
</div>
<button type="button" class="SlideShow-btn prev"></button>
<button type="button" class="SlideShow-btn next"></button>
</div>
<script src="https://cdnjs.cloudflare./ajax/libs/jquery/3.5.1/jquery.min.js"></script>What you need to do it to clear the interval in the button clicks and start interval again.
function resetInterval(){ //add this method which wil reset the timer
window.clearInterval(looper); //clear current interval
looper = setInterval(autoSlide, 5000); //start auto slide again.
}
function autoSlide(){ //move this to a function from being anonymous
// remove and add class active
$('.active').removeClass('active').next().addClass('active');
// animation expression
$('.active').animate({
'left': '-=' + (slideWidth) + 'px'
}, 500);
$('.active').siblings().animate({
'left': '-=' + (slideWidth) + 'px'
}, 500);
// return to first slide after the last one
if ($('.active').length === 0) {
$('#slide1').addClass('active');
$('.slides').animate({
'left': 0
}, 500);
}
}
and
$('.control_left').on('click', function () {
resetInterval(); //reset it
....
$('.control_right').on('click', function () {
resetInterval(); //reset it
....
Demo
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