added percentage calculator

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Boof 2023-02-01 10:28:05 +01:00 committed by GitHub
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<script>
function percentage(partialValue, totalValue) {
return (100 * partialValue) / totalValue;
}
function docalc(){
const num2 = document.getElementById("input2");
const num1 = document.getElementById("input1");
percentage(num1, num2)
document.getElementById("output").value = percentage(num1, num2)
}
</script>
<body>
<h1>Percentage calculator</h1><br>
<p>Calculate <textarea id="input1"></textarea> Out of <textarea id="input2"></textarea></p>
<label>Output</label><br>
<textarea id="output" rows="6" cols="80" readonly></textarea><br>
<button type="button" id="copy" onclick="docalc();">Calculate</button>
</body>