html
html
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<!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
</head>
<body>
<button id="Sub">-</button>
<button id="Add">+</button>
<p>Output: <span id="Output">1</span></p>
</body>
</html>
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css
css
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button {
background-color: #1c61ce;
width:1cm;
height:1cm;
border:none;
}
button:hover {
background-color: #153972;
}
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js
js
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let i = 1;
window.onload = function Events() {
document.getElementById("Add").addEventListener ("click", Add)
document.getElementById("Sub").addEventListener ("click", Subtract)
}
function Add() {
if(i == 5) return false;
i++;
document.getElementById("Output").innerHTML = i;
}
function Subtract() {
if(i == 1) return false;
i--;
document.getElementById("Output").innerHTML = i;
}
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