JavaScript-Projects/Project9_countdown_slideshow.html at main · Toyosi1992/JavaScript-Projects · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Countdown Timer</title>
</head>
<body>

    <p>How many seconds would you like to set the alarm for?</p>
    <input id="seconds" value="" />

    <button onclick="countdown()">Click here</button>

    <p id="timer"></p>

<div class="slideshow-container">

  <div class="mySlides fade">
    <div class="numbertext">1 / 3</div>
    <img src="img1.jpg" style="width:100%">
    <div class="text">Caption One</div>
  </div>

  <div class="mySlides fade">
    <div class="numbertext">2 / 3</div>
    <img src="img2.jpg" style="width:100%">
    <div class="text">Caption Two</div>
  </div>

  <div class="mySlides fade">
    <div class="numbertext">3 / 3</div>
    <img src="img3.jpg" style="width:100%">
    <div class="text">Caption Three</div>
  </div>

  <a class="prev" onclick="plusSlides(-1)">&#10094;</a>
  <a class="next" onclick="plusSlides(1)">&#10095;</a>
</div>
<br>

<div style="text-align:center">
  <span class="dot" onclick="currentSlide(1)"></span>
  <span class="dot" onclick="currentSlide(2)"></span>
  <span class="dot" onclick="currentSlide(3)"></span>
</div>

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

/* Hide the images by default */
.mySlides {
  display: none;
}

/* Next & previous buttons */
.prev, .next {
  cursor: pointer;
  position: absolute;
  top: 50%;
  width: auto;
  margin-top: -22px;
  padding: 16px;
  color: white;
  font-weight: bold;
  font-size: 18px;
  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;
}

/* Fading animation */
.fade {
  animation-name: fade;
  animation-duration: 1.5s;
}

@keyframes fade {
  from {opacity: .4}
  to {opacity: 1}
}

    <script src="main.js"></script>
</body>
</html>


/* ##########################################
   COUNTDOWN TIMER FUNCTIONALITY
   ########################################## */

function countdown() {
    // Gets input from user
    var seconds = document.getElementById("seconds").value;

    function tick() {
        seconds = seconds - 1;
        document.getElementById("timer").innerHTML = seconds;

        // Timer delay of 1 second
        var time = setTimeout(tick, 1000);

        if (seconds == -1) {
            alert("Time's up!");
            clearTimeout(time);
            document.getElementById("timer").innerHTML = "";
        }
    }
    tick();
}

/* ##########################################
   SLIDESHOW FUNCTIONALITY
   ########################################## */

let slideIndex = 1;
showSlides(slideIndex);

// Next/previous controls
function plusSlides(n) {
  showSlides(slideIndex += n);
}

// Thumbnail image controls
function currentSlide(n) {
  showSlides(slideIndex = n);
}

function showSlides(n) {
  let i;
  let slides = document.getElementsByClassName("mySlides");
  let dots = document.getElementsByClassName("dot");

  // If index is greater than total slides, reset to 1
  if (n > slides.length) {slideIndex = 1}
  // If index is less than 1, set to last slide
  if (n < 1) {slideIndex = slides.length}

  // Hide all slides
  for (i = 0; i < slides.length; i++) {
    slides[i].style.display = "none";
  }

  // Remove "active" class from all dots
  for (i = 0; i < dots.length; i++) {
    dots[i].className = dots[i].className.replace(" active", "");
  }

  // Display the current slide and highlight the active dot
  slides[slideIndex-1].style.display = "block";
  dots[slideIndex-1].className += " active";
}