Mouse Following Eyes using CSS and JavaScript

In this tutorial we have made Mouse Following Eyes using CSS and JavaScript. The JavaScript and CSS code is given below.

HTML Code

HTML Code is given below.

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<link rel="stylesheet" href="style.css">
<title>Mouse Following Eyes using CSS and JavaScript</title>
</head>
<body>
<div>
<div class="eye-white">
<div class="eye-ball"></div>
</div>
<div class="eye-white">
<div class="eye-ball"></div>
</div>
</div>
</body>
</html>

CSS Code

CSS Code is given below.

body{
  margin: 0;
  padding: 0;
  display: flex;
  height: 100vh;
  align-items: center;
  justify-content: center;
  background: #22438c; 
}
.eye-white{
  width: 200px;
  height: 200px;
  margin: 30px;
  border-radius: 50%;
  position: relative;
  display: inline-block;
  overflow: hidden;
  background: #fff;
}
.eye-ball{
  width: 70px;
  height: 70px;
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  background:black;    
}

JavaScript Code

JavaScript Code is given below, In this code we are changing the position of eye balls with respect to the mouse cursor.

<script>
var  eye = document.getElementsByClassName("eye-ball");
document.onmousemove = function(){
var width = window.innerWidth;
var x = event.clientX;
var a = x / width;
a= a *100;
var height = window.innerHeight;
var y = event.clientY;
var b = y / height;
b= b *100;
eye[0].style.cssText = "left: " + a + "%; top: " + b + "%;" + "transform:translate(-"+a+"%,-"+b+"%)";
eye[1].style.cssText = "left: " + a + "%; top: " + b + "%;" + "transform:translate(-"+a+"%,-"+b+"%)"; 
}
</script>

Demo

Video Tutorial

Watch video tutorial on how to create Mouse Following Eyes using CSS and JavaScript.

Change font-size using JavaScript Get Font Size of any Tag using JavaScript Change Position of HTML Element using JavaScript How to Change Image on Hover with JavaScript How to Disable Button by Class Name in JavaScript How To Change Image Size with JavaScript How to change Image opacity with JavaScript How to Change image src on click with JavaScript How to get the lang attribute value in JavaScript How to Get attribute Value using JavaScript How To Check if Attribute Exists or not with JavaScript How To Count number of links on Page with JavaScript How To Scroll Page to Bottom using JavaScript How To Detect Shift Key Press with JavaScript Change Text Color On Hover with JavaScript Hide and Show div using JavaScript Get Button text with JavaScript Get textarea value with JavaScript Get table row Height with JavaScript Auto Increase width of input field with JavaScript Set Textarea maxLength with JavaScript Set Textarea Value with JavaScript JavaScript Count list items JavaScript set input field value Count Button Clicks with JavaScript Scroll Page to the Top on Click with JavaScript