JavaScript Counter Project for beginners is made using HTML, CSS JavaScript.
Create a folder for your project and inside this folder create 3 files index.html, style.css and script.js and copy the code properly in each file.
HTML
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Counter</title>
<link rel="stylesheet" href="style.css">
<script type="text/javascript" src="script.js" defer=""></script>
</head>
<body>
<div id="container">
<div id="display" class="item">
<p></p>
</div>
<button class="item" onclick="minus()">-</button>
<button class="item" onclick="reset()">Reset</button>
<button class="item" onclick="plus()">+</button>
</div>
</body>
</html>
CSS
body{
background-image: linear-gradient(65deg, #85FFBD 0%, #FFFB7D 100%);
}
#container{
display: grid;
grid-template-columns: auto auto auto;
width: 400px;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
box-shadow: rgba(50, 50, 93, 0.25) 0px 2px 5px -1px, rgba(0, 0, 0, 0.3) 0px 1px 3px -1px; position: absolute;
padding: 20px;
}
#display{
grid-column: 1/ span 3;
background-color: rgba(0,0,0,0.7);
color: white;
font-family: montserrat, lato, san-serif;
height: 200px;
line-height: 150px;
padding: 20px;
box-sizing: border-box;
}
.item{
font-size: 28px;
border: 1px solid rgba(0,0,0, 0.2);
margin: 2px;
font-family: montserrat, lato, san-serif;
}
button:nth-child(2){
padding:0 5px;
grid-column: 1 / 3;
}
button:nth-child(4){
grid-column: 1/span 3;
height: 150px
}
p{
margin: 0;
box-sizing: border-box;
border: 1px solid white;
text-align: center;
font-size: 32px;
vertical-align: middle;
height: 100%;
width: 100%;
}
JavaScript
let p = document.querySelector('p');
let n = 0;
function updateNumber() {
return p.innerText = n;
}
function plus(){
n++;
return updateNumber();
}
function minus(){
if(n > 0)n--;
return updateNumber();
}
function reset(){
n=0;
return updateNumber();
}
