Get the area and circumference of a circle from user input

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I'm trying to make a code where I enter the x-axis, y-axis, and the radius of a circle. Those values are entered into an object, and then displays the area of the circle, and the circumference. This is as far as I have gotten. As the code is right now, I am not getting any output, and I am not completely certain if my objects are correct. My question is, how do I fix this code, in order for me to input the values that I want in the forms, and it outputs the area of a circle and circumference, through an object.

What I have tried:

HTML

<html>
<head>
</head>
<body>
<form id="register">
	<h1>Area and circumference of a circle</h1>
	<fieldset> 
		<legend>Enter Information</legend> 
		<div> 
			<label>Enter the radius of a circle
			<input id="rad" name="rad" type="number" placeholder="Numbers Only" required autofocus> 
			</label>
		</div>
		<div> 
			<label>Enter the x-axis of a circle
			<input id="xAxis" name="xAxis" type="number" placeholder="Numbers Only" required autofocus> 
			</label>
		</div>
		<div> 
			<label>Enter the y-axis of a circle
			<input id="yAxis" name="yAxis" type="number" placeholder="Numbers Only" required autofocus> 
			</label>
		</div>
	</fieldset>
	
	<fieldset> 
		<div> 
			<input id="calculate" name="calculate" type="button" value="Calculate" onClick='Circle();'> 
		</div> 
	</fieldset> 
</form> 
</body>
</html>

<title>Object Circle</title>

CSS

body {
	margin: 2em 5em;
	font-family:Georgia, "Times New Roman", Times, serif;
}
h1, legend {
	font-family:Arial, Helvetica, sans-serif;
}
label, input, select {
	display:block;
}
input, select {
	margin-bottom: 1em;
}
fieldset {
	margin-bottom: 2em;
	padding: 1em;
}

JavaScript

function Circle(xAxis, yAxis, rad){
	this.xCord = x;
	this.yCord = y;
	this.radius = r;

	this.area = function(){
		return Math.PI * this.radius * this.radius;
	};

	this.perimeter = function(){
		return 2*Math.PI*this.radius;
	};
}
this.move = function(){
	this.xCord = x;
	this.yCord = y;
}

var c1 = new Circle(3, 4, 5);
	c1.area(0, 0);
	alert ("The area = " + c1.area);

Posted 1-May-18 17:08pm

Member 13807158

Updated 2-May-18 19:18pm

v3

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Comments

GKP1992 1-May-18 23:49pm

Please mention precisely, what issue you're facing with it. No one knows what you want your code to do and what it does instead.

Member 13807158 2-May-18 11:11am

As the code is right now, I am not getting any output, and I am not completely certain if my objects are correct.

F-ES Sitecore 2-May-18 4:49am

What's the question?

Member 13807158 2-May-18 11:10am

My question is, how do I fix this code, in order for me to input the values that I want in the forms, and it outputs the area of a circle and circumference, through an object.

1 solution

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GKP1992 · Answer 1 · 2018-05-02T19:20:00

Try this function instead.