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LightKira

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    Problem with sum

    in JavaScript

    Posted

    Hi,

    I'm trying to create a little program to calculate the income with a tax, but i've got a problem. Instead of sum the 2 numbers, it aggregate them

    Here the example:

     

    Price = 100

    Rate = 0.05

    Tax = Price * Rate -> 100 * 0.05 = 5

    Income = Price + Tax = 100 + 5 = 105 (but the result I obtain is 1005)

     

    I want to specify that the Price is get from a input.

    Here the code 

    <!DOCTYPE html>
<html>
	<body>

		<h1>Test</h1>


		<input id="price" type="number" onchange="income()">

		<p id="result"></p>

	<script>
	function income(){
		let price = document.getElementById("price").value;
		let rate = 0.05;
    
    	let tax = price * rate;
    
		let income = price + tax;
    
		document.getElementById("result").innerHTML ="The income is: " + income;
	}
	</script>

	</body>
</html>

    How can i fix it?

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