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Copy path7.5_prac_calculator.html
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7.5_prac_calculator.html
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<!DOCTYPE html>
<html>
<head></head>
<body>
<p>
<button onclick="updateCalculation('1');">1</button>
<button onclick="updateCalculation('2');">2</button>
<button onclick="updateCalculation('3');">3</button>
<button onclick="updateCalculation(' + ');">+</button>
</p>
<p>
<button onclick="updateCalculation('4');">4</button>
<button onclick="updateCalculation('5');">5</button>
<button onclick="updateCalculation('6');">6</button>
<button onclick="updateCalculation(' - ');">-</button>
</p>
<p>
<button onclick="updateCalculation('7');">7</button>
<button onclick="updateCalculation('8');">8</button>
<button onclick="updateCalculation('9');">9</button>
<button onclick="updateCalculation(' * ');">*</button>
</p>
<p>
<button onclick="updateCalculation('0');">0</button>
<button onclick="updateCalculation('.');">.</button>
<button onclick="
calculation = eval(calculation);
console.log(calculation);
">=</button>
<button onclick="updateCalculation(' / ');">/</button>
</p>
<p>
<button onclick="
calculation = '';
console.log(calculation);
">Clear</button>
</p>
<script>
let calculation = '';
function updateCalculation(value) {
calculation += value;
console.log(calculation);
}
</script>
</body>
</html>