More than 2 image slideshows

alex.gutowski · April 26, 2020

I am following the tutorial here, and I would like to add more than two slideshows on a page. I tried this:

<h4>10 Shot Photo Challenge #1</h4>
        		<div class="slideshow-container">
  					<div class="mySlides1">
    					<div class="numbertext">1 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshotone/Gutowski_BlackAndWhite.jpg" style="width:100%">
  					</div>
  					<div class="mySlides1">
    					<div class="numbertext">2 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshotone/Gutowski_Contrast.jpg" style="width:100%">
  					</div>
					<div class="mySlides1">
    					<div class="numbertext">3 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshotone/Gutowski_Emotion.jpg" style="width:100%">
  					</div>
					<div class="mySlides1">
    					<div class="numbertext">4 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshotone/Gutowski_FavoriteColor.jpg" style="width:100%">
  					</div>
					<div class="mySlides1">
    					<div class="numbertext">5 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshotone/Gutowski_Misc.jpg" style="width:100%">
  					</div>
					<div class="mySlides1">
    					<div class="numbertext">6 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshotone/Gutowski_Numbers.jpg" style="width:100%">
  					</div>
					<div class="mySlides1">
    					<div class="numbertext">7 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshotone/Gutowski_Outside.jpg" style="width:100%">
  					</div>
					<div class="mySlides1">
    					<div class="numbertext">8 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshotone/Gutowski_Rule_of_Thirds.jpg" style="width:100%">
  					</div>
					<div class="mySlides1">
    					<div class="numbertext">9 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshotone/Gutowski_StartingWithB.jpg" style="width:100%">
  					</div>
					<div class="mySlides1">
    					<div class="numbertext">10 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshotone/Gutowski_UpClose.jpg" style="width:100%">
  					</div>
  					<a class="prev" onclick="plusSlides(-1, 0)">&#10094;</a>
  					<a class="next" onclick="plusSlides(1, 0)">&#10095;</a>
				</div>
				<br>
				<br>
				<h4>10 Shot Photo Challenge #2</h4>
				<br>
				<div class="slideshow-container">
  					<div class="mySlides2">
    					<div class="numbertext">1 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshottwo/Gutowski_happy.JPG" style="width:100%">
  					</div>
  					<div class="mySlides2">
    					<div class="numbertext">2 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshottwo/Gutowski_January.JPG" style="width:100%">
  					</div>
					<div class="mySlides2">
    					<div class="numbertext">3 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshottwo/IMG_2873.JPG" style="width:100%">
  					</div>
					<div class="mySlides2">
    					<div class="numbertext">4 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshottwo/IMG_2931.JPG" style="width:100%">
  					</div>
					<div class="mySlides2">
    					<div class="numbertext">5 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshottwo/IMG_2985.JPG" style="width:100%">
  					</div>
					<div class="mySlides2">
    					<div class="numbertext">6 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshottwo/IMG_2986.JPG" style="width:100%">
  					</div>
					<div class="mySlides2">
    					<div class="numbertext">7 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshottwo/IMG_3031.JPG" style="width:100%">
  					</div>
					<div class="mySlides2">
    					<div class="numbertext">8 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshottwo/IMG_3037.JPG" style="width:100%">
  					</div>
					<div class="mySlides2">
    					<div class="numbertext">9 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshottwo/IMG_3041.JPG" style="width:100%">
  					</div>
					<div class="mySlides2">
    					<div class="numbertext">10 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshottwo/IMG_E3040.JPG" style="width:100%">
  					</div>
  					<a class="prev" onclick="plusSlides(-1, 1)">&#10094;</a>
  					<a class="next" onclick="plusSlides(1, 1)">&#10095;</a>
				</div>
				<br>
				<br>
				<h4>10 Shot Photo Challenge #3</h4>
				<br>
				<div class="slideshow-container">
  					<div class="mySlides3">
    					<div class="numbertext">1 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshotthree/IMG_0139.JPG" style="width:100%">
  					</div>
  					<div class="mySlides3">
    					<div class="numbertext">2 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshotthree/IMG_0144.JPG" style="width:100%">
  					</div>
					<div class="mySlides3">
    					<div class="numbertext">3 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshotthree/IMG_0157.JPG" style="width:100%">
  					</div>
					<div class="mySlides3">
    					<div class="numbertext">4 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshotthree/IMG_0158.JPG" style="width:100%">
  					</div>
					<div class="mySlides3">
    					<div class="numbertext">5 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshotthree/IMG_0159.JPG" style="width:100%">
  					</div>
					<div class="mySlides3">
    					<div class="numbertext">6 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshotthree/IMG_0160.JPG" style="width:100%">
  					</div>
					<div class="mySlides3">
    					<div class="numbertext">7 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshotthree/IMG_0192.JPG" style="width:100%">
  					</div>
					<div class="mySlides3">
    					<div class="numbertext">8 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshotthree/IMG_0199.JPG" style="width:100%">
  					</div>
					<div class="mySlides3">
    					<div class="numbertext">9 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshotthree/IMG_0936.JPG" style="width:100%">
  					</div>
					<div class="mySlides3">
    					<div class="numbertext">10 / 10</div>
    					<img alt="this is required and i dont want to put this" src="multimedia/tenshotthree/IMG_0945.JPG" style="width:100%">
  					</div>
  					<a class="prev" onclick="plusSlides(-1, 2)">&#10094;</a>
  					<a class="next" onclick="plusSlides(1, 2)">&#10095;</a>
				</div>
				<script>
					var slideIndex = [1,1];
					var slideId = ["mySlides1", "mySlides2", "mySlides3"]
					showSlides(1, 0);
					showSlides(1, 1);
					showSlides(1, 2);

					function plusSlides(n, no) {
  						showSlides(slideIndex[no] += n, no);
					}

					function showSlides(n, no) {
  						var i;
						var x = document.getElementsByClassName(slideId[no]);
  						if (n > x.length) {slideIndex[no] = 1}    
						if (n < 1) {slideIndex[no] = x.length}
						for (i = 0; i < x.length; i++) {
							x[i].style.display = "none";  
						}
						x[slideIndex[no]-1].style.display = "block";  
					}
				</script>

This made 2 slideshows, but the third one didn't work. How can I get a third slideshow onto this webpage? ZIP file attached with all website files. 10shot.html is the file I am having trouble with.

Alex's Website.zip

dsonesuk · April 27, 2020

You have added extra value for each slideshow but the slideIndex.

Weazly · May 28, 2020

I have the same problem.

It shows the first two Slideshows with picture and arrow, but the third one shows only the arrows.

HTML:

<p>Slideshow 1:</p>
	<div class="slideshow-container">
    <div class="mySlides1">	<img src="../03-bilder/halle/IMG_1.jpg" class="slide"> </div>
    <div class="mySlides1">	<img src="../03-bilder/halle/IMG_2.jpg" class="slide"> </div>
    <div class="mySlides1">	<img src="../03-bilder/halle/IMG_3.jpg" class="slide"> </div>
	
	<a class="prev" onclick="plusSlides(-1, 0)">❮</a>
	<a class="next" onclick="plusSlides(1, 0)">❯</a>
</div>

<p>Slideshow 2:</p>
<div class="slideshow-container">
  	<div class="mySlides2">	<img src="../03-bilder/Turnier1/IMG_1.jpg" class="slide"> </div>
  	<div class="mySlides2">	<img src="../03-bilder/Turnier1/IMG_2.jpg" class="slide"> </div>
  	<div class="mySlides2">	<img src="../03-bilder/Turnier1/IMG_3.jpg" class="slide"> </div>
  	<div class="mySlides2">	<img src="../03-bilder/Turnier1/IMG_4.jpg" class="slide"> </div>

	<a class="prev" onclick="plusSlides(-1, 1)">❮</a>
	<a class="next" onclick="plusSlides(1, 1)">❯</a>
</div>

<p>Slideshow 3:</p>
<div class="slideshow-container">
       <div class="mySlides3"> <img src="../03-bilder/end-of-summer/IMG_1.jpg" class="slide"> </div>
       <div class="mySlides3"> <img src="../03-bilder/end-of-summer/IMG_2.jpg" class="slide"> </div>
       <div class="mySlides3"> <img src="../03-bilder/end-of-summer/IMG_3.jpg" class="slide"> </div>
       <div class="mySlides3"> <img src="../03-bilder/end-of-summer/IMG_4.jpg" class="slide"> </div>

       <a class="prev" onclick="plusSlides(-1, 2)">❮</a>
       <a class="next" onclick="plusSlides(1, 2)">❯</a>
</div>

CSS:

.mySlides1, .mySlides2, .mySlides3 {display: none}
img {vertical-align: middle;}

/* Slideshow container */
.slideshow-container {
  max-width: 1000px;
  position: relative;
  margin: auto;
}

/* Next & previous buttons */
.prev, .next {
  cursor: pointer;
  position: relative;
  top: 50%;
  width: auto;
  padding-right: 8vw;
  padding-left: 8vw;
  color: white;
  font-weight: bold;
  font-size: 8vw;
  transition: 0.6s ease;
  border-radius: 0 3px 3px 0;
  user-select: none;
}

/* Position the "next button" to the right */
.next {
  right: 0;
  border-radius: 3px 0 0 3px;
}

/* On hover, add a grey background color */
.prev:hover, .next:hover {
  background-color: #f1f1f1;
  color: black;
}

Javascript:

var slideIndex = [1,2];
var slideId = ["mySlides1", "mySlides2", "mySlides3"]
showSlides(1, 0);
showSlides(1, 1);
showSlides(1, 2);

function plusSlides(n, no) {
  showSlides(slideIndex[no] += n, no);
}

function showSlides(n, no) {
  var i;
  var x = document.getElementsByClassName(slideId[no]);
  if (n > x.length) {slideIndex[no] = 2}    
  if (n < 2) {slideIndex[no] = x.length}
  for (i = 0; i < x.length; i++) {
     x[i].style.display = "none";  
  }
  x[slideIndex[no]-2].style.display = "block";  
}

dsonesuk · May 28, 2020

The Problem is the same.

1) You have 3 slideshows, All index references MUST reflect you now have 3;

<div class="slideshow-container">
       <div class="mySlides3"> <img src="../03-bilder/end-of-summer/IMG_1.jpg" class="slide"> </div> <!--DONE-->
       <div class="mySlides3"> <img src="../03-bilder/end-of-summer/IMG_2.jpg" class="slide"> </div> <!--DONE-->
       <div class="mySlides3"> <img src="../03-bilder/end-of-summer/IMG_3.jpg" class="slide"> </div> <!--DONE-->
       <div class="mySlides3"> <img src="../03-bilder/end-of-summer/IMG_4.jpg" class="slide"> </div> <!--DONE-->

       <a class="prev" onclick="plusSlides(-1, 2)">❮</a> <!--DONE-->
       <a class="next" onclick="plusSlides(1, 2)">❯</a> <!--DONE-->
</div>

var slideId = ["mySlides1", "mySlides2", "mySlides3"]; //DONE
showSlides(1, 0); //DONE
showSlides(1, 1); //DONE
showSlides(1, 2); //DONE

BUT!

var slideIndex = [1,2]; //FAIL : FOR EACH SLIDESHOW THERE MUST BE A VALUE and NO! 1 + 2 does not count as the third slideshow

use:

.slideshow-container div[class^="mySlides"]{ display: none}

it will be easier than adding every slideshow class

Edited May 28, 2020 by dsonesuk

Joaquin Uliambre · June 2, 2020

I do not understand, how is the code solved?

dsonesuk · June 2, 2020

Quite easily really, but I'll explain yet! Again!

var slideIndex = [1,2];

Only has array of slideshow indexes of two values, which means

2 values = 2 slideshows,

slideIndex = [1,1]

3 values = 3 slideshows,

slideIndex = [1,1,1]

4 values = 4 slideshows,

slideIndex = [1,1,1,1]

5 values = 5 slideshows,

slideIndex = [1,1,1,1,1]

6 values = 6 slideshows,

slideIndex = [1,1,1,1,1,1]

7 values = 7 slideshows,

slideIndex = [1,1,1,1,1,1,1]

8 values = 8 slideshows,

slideIndex = [1,1,1,1,1,1,1,1]

9 values = 9 slideshows,

slideIndex = [1,1,1,1,1,1,1,1,1]

Do you really want me to continue? Get the drift?

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