Calculate circle area/Peri/Calculate sphere volume : Number « Data Type « JavaScript DHTML






  1. JavaScript DHTML
  2. Data Type
  3. Number

Calculate circle area/Peri/Calculate sphere volume

   

<html>
<head>
<title>A Simple Page</title>
<script language="JavaScript">
function calcArea(){
    inpRadius = 3;
    alert(Math.PI * ((inpRadius)*(inpRadius)));
}

function calcPeri()
{
    inpRadius = 3;
    alert(2 * Math.PI * (inpRadius));
}

function calcVol()
{
    inpRadius = 3;
    alert(Math.PI * ((inpRadius)*(inpRadius)*(inpRadius)) * (4/3));
}
</script>
</head>
<body>
<input type="button" value="Calculate circle area" onclick="calcArea();"> 
<input type="button" value="Calculate circle Peri" onclick="calcPeri();">
<input type="button" value="Calculate sphere volume" onclick="calcVol();">
</body>
</html>








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