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114 lines (93 loc) · 2.01 KB
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Calculator</title>
</head>
<body>
<h2> Calculator </h2>
<p>
<button onclick="
calculation +='1';
console.log(calculation);
"> 1 </button>
<button onclick="
calculation +='2';
console.log(calculation);
" > 2 </button>
<button onclick="
calculation +='3';
console.log(calculation);
"> 3 </button>
<button onclick="
calculation +=' + ';
console.log(calculation);
"> + </button>
</p>
<p>
<button onclick="
calculation +='4';
console.log(calculation);
"> 4 </button>
<button onclick="
calculation +='5';
console.log(calculation);
" > 5 </button>
<button onclick="
calculation +='6';
console.log(calculation);
"> 6 </button>
<button onclick="
calculation +=' - ';
console.log(calculation);
"> - </button>
</p>
<p>
<button onclick="
calculation +='7';
console.log(calculation);
"> 7 </button>
<button onclick="
calculation +='8';
console.log(calculation);
" > 8 </button>
<button onclick="
calculation +='9';
console.log(calculation);
"> 9 </button>
<button onclick="
calculation +=' * ';
console.log(calculation);
"> * </button>
</p>
<p>
<button onclick="
calculation +='0';
console.log(calculation);
"> 0 </button>
<button onclick="
calculation +='.';
console.log(calculation);
" > . </button>
<button onclick="
calculation +=' / ';
console.log(calculation);
"> / </button>
<button onclick="
eval(calculation);
calculation= eval(calculation);
console.log(calculation);
"> = </button>
</p>
<p>
<button onclick="
calculation = '';
console.log(calculation);
"> Clear </button>
</p>
<script>
let calculation = '';
</script>
</body>
</html>