49 lines
2.1 KiB
HTML
49 lines
2.1 KiB
HTML
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<!DOCTYPE html>
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<!--
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Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
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Click nbfs://nbhost/SystemFileSystem/Templates/Other/html.html to edit this template
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-->
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<html>
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<head>
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<title>TODO supply a title</title>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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</head>
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<body>
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<label id="numArray"></label><br>
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<label id="averageLabel"></label><br>
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<label id="arraySquare"></label><br>
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<label id="stdDevLabel"></label><br>
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<label id="numCountLabel"></label><br>
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<label id="sumLabel"></label>
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</body>
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<script>
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var numberArray = [];
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do {
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var userInput = prompt("Please enter a number. Type q/Q to quit.");
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if (userInput.toLowerCase() != "q" && userInput != "") {
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numberArray.push(parseInt(userInput));
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console.log(numberArray);
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}
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} while (userInput.toLowerCase() != "q");
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//Let's calculate stuff!
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let average, arraySum = 0, arraySquare = 0, stdDev = 0;
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for (let i = 0; i < numberArray.length; ++i) {
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arraySum += numberArray[i]; // sum
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}
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average = arraySum / numberArray.length; // Average
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for (let i = 0; i < numberArray.length; ++i) {
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arraySquare += Math.pow(numberArray[i] - average, 2);
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}
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stdDev = Math.sqrt(arraySquare, (numberArray - 1));
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document.getElementById("numArray").innerHTML = "Number Array: " + numberArray;
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document.getElementById("averageLabel").innerHTML = "Average: " + average;
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document.getElementById("arraySquare").innerHTML = "Square of elements in array: " + arraySquare;
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document.getElementById("stdDevLabel").innerHTML = "Standard Deviation: " + stdDev;
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document.getElementById("numCountLabel").innerHTML = "Number of Elements in array: " + numberArray.length;
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document.getElementById("sumLabel").innerHTML = "Sum of elements in array: " + arraySum;
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</script>
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</html>
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