how many times you can multiply a number in an array javascript code example

Example 1: javascript multiply array with scalar

var input = [3, 6, 4];
var scalar = 5;
var output = input.map(x => x * scalar); // [15, 30, 20]

Example 2: javascript how to multiply numbers

<!-- Multiplying two numbers in HTML and Javascript -->

<main>
<label for="firstNum">Number 1:</label>
<input type="number" id="firstNum" name="firstNum">

<label for="secondNum">Number 2:</label>
<input type="number" id="secondNum" name="secondNum"></br></br>

<button onclick="multiply()">Multiply</button></br></br>

<label for="result">Result</label>
<input type="number" id="result" name="result"/>
</main>

<script>
function multiply(){
	num1 = document.getElementById("firstNum").value;
	num2 = document.getElementById("secondNum").value;
	result = num1 * num2;
	document.getElementById("result").value = result;
}
</script>