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calculator.html
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calculator.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="calculator.css">
<title>Calculator</title>
</head>
<body>
<div class="container">
<div class="calculator">
<input type="text" placeholder="0" id="output-screen">
<button onclick="bersihkan()">cl</button>
<button onclick="del()">Del</button>
<button onclick="display('%')">%</button>
<button onclick="display('/')">/</button>
<button onclick="display('7')">7</button>
<button onclick="display('8')">8</button>
<button onclick="display('9')">9</button>
<button onclick="display('*')">*</button>
<button onclick="display('4')">4</button>
<button onclick="display('5')">5</button>
<button onclick="display('6')">6</button>
<button onclick="display('-')">-</button>
<button onclick="display('1')">1</button>
<button onclick="display('2')">2</button>
<button onclick="display('3')">3</button>
<button onclick="display('+')">+</button>
<button onclick="display('0')">0</button>
<button onclick="display('.')">.</button>
<button onclick="calculator()" class="hasil">=</button>
</div>
</div>
<script>
let outputscreen = document.getElementById("output-screen");
function display(num){
outputscreen.value += num;
}
function calculator(){
try{
outputscreen.value = eval(outputscreen.value);
}
catch(err){
alert('invalid')
}
}
function bersihkan(){
outputscreen.value = "";
}
function del(){
outputscreen.value = outputscreen.value.slice(0, -1);
}
</script>
</body>
</html>