SliderTutorials

JavaScript image slider code

simple js image slider

JavaScript image slider code

Before We Start

A slider is one of the main components of a website, It contain pictures and a user interface element within a website. The most important one and the first section that the user sees when he/she enters a website. simple pure JavaScript image slider

How to create Simple pure JavaScript image slider code . So if you are a person who wishes to develop a website, you have to know how to create a slider properly.

JavaScript image slider code

We are here to solve your problem. In this article we discuss how to create a slider. Before we start please read the below articles which easier you to understand the process, if you are new to development.

Step 1 – Add HTML

It’s too easy and simple. Just copy and paste below code in your HTML editor between <body> </body> tag.

<body>
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css">

<div class="picContainer">
  <h2>JavaScript Image Slider</h2>
  <div id="info"></div>
  <div id="image1" class="img">
    <img src="https://netresim.com/bilesenler/dosya/dosyalar/image/galeriler/28.01.2017/bresim/Nehir-Ve-Doga-Manzarasi-HD-Wallpapers.jpg" />
  </div>
  <div id="image2" class="img">
    <img src="http://3.bp.blogspot.com/-M4taDE-t9c8/U6bQ-7Y-AfI/AAAAAAAACdM/-n9kmDQI7Lk/s1600/doga-hd-wallpaper-hd-resim.jpg" />
  </div>
  <div id="image3" class="img">
    <img src="http://1.bp.blogspot.com/-eTaD7Gdgy8c/UrA6fTbCBiI/AAAAAAAACOE/SDiPTpBGH3c/s1600/doga-balon-wallpaper-1980x1200.jpg" />
  </div>
  <div id="image4" class="img">
    <img src="https://cdn.wallpapersafari.com/7/90/uK6U2o.jpg" />
  </div>
  <div class="left" onclick="left()"></div>
  <div class="right" onclick="right()"></div>
  <div class="dots">
    <div class="dot a1"></div>
    <div class="dot a2"></div>
    <div class="dot a3"></div>
    <div class="dot a4"></div>
  </div>
</div>
</body>

Step 2 – Add CSS

Copy and paste below code in your HTML editor between <style></style> tag.

<style>
@import url("https://fonts.googleapis.com/css?family=Fira+Sans");
body,
html {
  padding: 0;
  margin: 0;
  background: #ececec;
  display: flex;
  height: 100vh;
  justify-content: center;
  align-items: center;
}
.picContainer {
  position: relative;
  width: 650px;
  height: 400px;
  border: 5px solid #262626;
  background: black;
  border-radius: 10px;
  box-shadow: 0px 50px 100px #262626;
}
img {
  width: 650px;
  height: 400px;
  transition: 1s;
}
.img {
  width: 650px;
  height: 400px;
  position: absolute;
  z-index: 0;
  transition: 1s;
}
.right {
  position: absolute;
  height: 100%;
  width: 60px;
  z-index: 99;
  cursor: pointer;
  color: #fff;
  transition: 1s;
  right: 0;
  top: 0;
}
.right:hover {
  background: rgba(0, 0, 0, 0.25);
}
.right:before {
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  content: "\f105";
  font-size: 50px;
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%) scale(0.75);
  margin-right: 10px;
  transition: 0.5s;
}
.right:hover:before {
  transform: translateY(-50%) scale(1);
}
.left {
  position: relative;
  height: 100%;
  width: 60px;
  z-index: 99;
  cursor: pointer;
  color: #fff;
  transition: 1s;
}
.left:hover {
  background: rgba(0, 0, 0, 0.25);
}
.left:before {
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  content: "\f104";
  font-size: 50px;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%) scale(0.75);
  margin-left: 10px;
  transition: 0.5s;
}
.left:hover:before {
  transform: translateY(-50%) scale(1);
}
input {
  position: absolute;
  top: 0;
  left: -200px;
}
h2 {
  position: absolute;
  color: rgba(0, 0, 0, 0.75);
  top: -160px;
  left: 55%;
  transform: translateX(-50%);
  font-family: "Fira Sans", sans-serif;
  font-size: 36px;
  width: 70%;
}
.dot {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 10px;
  height: 10px;
  z-index: 99;
  background: #333;
  border-radius: 50%;
  cursor: pointer;
  transition: 0.5s;
  box-shadow: 0px 0px 5px #fff;
}
.dot.a1 {
  margin-left: -30px;
}
.dot.a2 {
  margin-left: -10px;
}
.dot.a3 {
  margin-left: 10px;
}
.dot.a4 {
  margin-left: 30px;
}
.dot.a1:hover {
  background: #fff;
}
.dot.a2:hover {
  background: #fff;
}
.dot.a3:hover {
  background: #fff;
}
.dot.a4:hover {
  background: #fff;
}

#info {
  position: absolute;
  top: -65px;
  left: 50%;
  transform: translateX(-50%);
  font-family: "Fira Sans", sans-serif;
  font-size: 25px;
  color: rgba(0, 0, 0, 0.75);
}
</style>

Step 2 – Add JavaScript

Copy and paste below code in your HTML editor between <script></script> tag.

<script>
let i = 0;

let box1 = document.getElementById("image1");
let box2 = document.getElementById("image2");
let box3 = document.getElementById("image3");
let box4 = document.getElementById("image4");
let a1 = document.querySelector(".a1");
let a2 = document.querySelector(".a2");
let a3 = document.querySelector(".a3");
let a4 = document.querySelector(".a4");
let info = document.getElementById("info");

a1.onclick = function () {
  box1.style.opacity = 1;
  box2.style.opacity = 0;
  box3.style.opacity = 0;
  box4.style.opacity = 0;
  info.innerHTML = "Image 1";
  i = 0;
};

a2.onclick = function () {
  box1.style.opacity = 0;
  box2.style.opacity = 1;
  box3.style.opacity = 0;
  box4.style.opacity = 0;
  info.innerHTML = "Image 2";
  i = 1;
};

a3.onclick = function () {
  box1.style.opacity = 0;
  box2.style.opacity = 0;
  box3.style.opacity = 1;
  box4.style.opacity = 0;
  info.innerHTML = "Image 3";
  i = 2;
};

a4.onclick = function () {
  box1.style.opacity = 0;
  box2.style.opacity = 0;
  box3.style.opacity = 0;
  box4.style.opacity = 1;
  info.innerHTML = "Image 4";
  i = 3;
};

document.addEventListener("keydown", (e) => {
  if (e.keyCode == 37) {
    right();
  }
});

document.addEventListener("keydown", (e) => {
  if (e.keyCode == 39) {
    right();
  }
});

function right() {
  if (i == 0) {
    box1.style.opacity = 1;
    box2.style.opacity = 0;
    box3.style.opacity = 0;
    box4.style.opacity = 0;
    info.innerHTML = "Image 1";
    i++;
  } else if (i == 1) {
    box1.style.opacity = 0;
    box2.style.opacity = 1;
    box3.style.opacity = 0;
    box4.style.opacity = 0;
    info.innerHTML = "Image 2";
    i++;
  } else if (i == 2) {
    box1.style.opacity = 0;
    box2.style.opacity = 0;
    box3.style.opacity = 1;
    box4.style.opacity = 0;
    info.innerHTML = "Image 3";
    i++;
  } else if (i == 3) {
    box1.style.opacity = 0;
    box2.style.opacity = 0;
    box3.style.opacity = 0;
    box4.style.opacity = 1;
    info.innerHTML = "Image 4";
    i = 0;
  }
}

function left() {
  if (i == 0) {
    box1.style.opacity = 0;
    box2.style.opacity = 0;
    box3.style.opacity = 0;
    box4.style.opacity = 1;
    info.innerHTML = "Image 1";
    i++;
  } else if (i == 1) {
    box1.style.opacity = 0;
    box2.style.opacity = 0;
    box3.style.opacity = 1;
    box4.style.opacity = 0;
    info.innerHTML = "Image 2";
    i++;
  } else if (i == 2) {
    box1.style.opacity = 0;
    box2.style.opacity = 1;
    box3.style.opacity = 0;
    box4.style.opacity = 0;
    info.innerHTML = "Image 3";
    i++;
  } else if (i == 3) {
    box1.style.opacity = 1;
    box2.style.opacity = 0;
    box3.style.opacity = 0;
    box4.style.opacity = 0;
    info.innerHTML = "Image 4";
    i = 0;
  }
}
</script>

At the end we will have something like this. You can change fonts, colors, backgrounds and all things that you want. Enjoy it.

JavaScript image slider code

Video Tutorial

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