topical media & game development
[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

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lib-js-math-calculator-area.htm / htm



  
  <!-- TWO STEPS TO INSTALL AREA CALCULATOR:
  
    1.  Copy the coding into the HEAD of your HTML document
    2.  Add the last code into the BODY of your HTML document  -->
  
  <!-- STEP ONE: Paste this code into the HEAD of your HTML document  -->
  
  <HEAD>
  
  <SCRIPT LANGUAGE="JavaScript">
  <!-- Original:  Michael Hundt (mchundt@nglic.com) -->
  <!-- Web Site:  http://www.cinet.net/~mhundt/mystuff.htm -->
  <!-- Modified by:  Ronnie T. Moore (JavaScript Source) -->
  
  <!-- This script and many more are available free online at -->
  <!-- The JavaScript Source!! http://javascript.internet.com -->
  
  <!-- Begin
  function doArea(num) {
  switch(num) {
  case 0 : return (""); break;
  case 1 : var length = prompt("Please enter the length of your square:", "");
           length = length * length;
           return (length); break;
  case 2 : var width = prompt("Please enter the width of the base:", "");
           var height = prompt("Please enter the height of the triangle:", "");
           return (width * height / 2); break;
  case 3 : var width = prompt("Please enter the width of your rectangle:", "");
           var height = prompt("Please enter the height of your rectangle:", "");
           return (width * height); break;
  case 4 : var radius = prompt("Please enter the radius of the circle: ", "");
           return (Math.PI * Math.pow(radius, 2)); break;
  case 5 : var radius = prompt("Please enter the radious of the sphere:", 0);
           return (4 * Math.PI * (Math.pow(radius, 2))); break;
     }
  }
  //  End -->
  </script>
  </HEAD>
  
  <!-- STEP TWO: Copy this code into the BODY of your HTML document  -->
  
  <BODY>
  
  <center>
  <form name=calcarea>
  Find the area of a 
  <select name="shape" size="1" onChange="this.form.area.value = doArea(this.selectedIndex);">
  <option> ...
  <option value="square">Square
  <option value="triangle">Triangle
  <option value="rectangle">Rectangle
  <option value="circle">Circle
  <option value="sphere">Sphere
  </select>
  = <input type=text name=area size=10>
  </form>
  </center>
  
  <p><center>
  <font face="arial, helvetica" size="-2">Free JavaScripts provided<br>
  by <a href="http://javascriptsource.com">The JavaScript Source</a></font>
  </center><p>
  
  <!-- Script Size:  2.01 KB -->
[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

(C) Æliens 20/2/2008

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