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JavaScript JavaScript Functions Arrow Functions Function Challenge Solution

Damien Lavizzo
PLUS
Damien Lavizzo
Courses Plus Student 4,177 Points

My Solution (with HTML)

Welp, I completely misunderstood the prompt and went WAY overboard with this one, I thought we had to prompt the user for two numbers and check for validity and everything. Anyway, hope my way over-engineered solution is helpful to someone in the future.

Also if anyone sees anywhere that I could have tightened things up or done something differently I would love the feedback.

HTML:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Get Random Number From Range</title>
</head>
<body>
    <script src="randomnumberfromrange.js"></script>
    <h2>Please choose two numbers between 1 and 100.<br>
        Then we'll pull a random number from between them, mathmagically!</h2>
    <p><input type="number" id="firstNumberInput" value="1" min="1" max="100"></p>
    <p><input type="number" id="secondNumberInput" value= "1" min="1" max="100"></p>
    <p><button id="calculate" onclick="getRandomNumberInRange()">*Cast Randomizio!*</button></p>

</body>
</html>

JS:

function getRandomNumberInRange() {
   let firstNumberValue = Number(document.querySelector("#firstNumberInput").value);
   let secondNumberValue = Number(document.querySelector("#secondNumberInput").value);

   let lowerNumber = Math.min(firstNumberValue, secondNumberValue)
   let higherNumber = Math.max(firstNumberValue, secondNumberValue)

   let randomNumber = Math.floor(Math.random() * (higherNumber - lowerNumber + 1) + lowerNumber);
   console.log(randomNumber)

1 Answer

Steven Parker
Steven Parker
229,771 Points

This is not a criticism of the code, but I did find it interesting that for an exercise in the "Arrow Functions" stage of the course, neither you nor the instructor used any arrow functions in your solutions.   :see_no_evil: