topical media & game development
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lib-js-math-calculator-factors.htm / htm



  
  <!-- TWO STEPS TO INSTALL COMMON FACTORS 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>
  
  <!-- This script and many more are available free online at -->
  
  <!-- The JavaScript Source!! http://javascript.internet.com -->
  
  <!-- Original:  Tom McComb (tom@dominoquest.com) -->
  
  <!-- Web Site:  http://www.dominoquest.com/ -->
  
  <script>
  
  function findFactors() {
  
          var f = document.forms[0];
  
          var value1 = parseInt( f.composite1.value );
  
          var value2 = parseInt( f.composite2.value );
  
          if ( isNaN( value1 ) || isNaN( value2 ) ) {
  
                  alert( "Please enter valid number values" );
  
                  f.reset();
  
                  return;
  
          }
  
          if ( value1 == 0 || value2 == 0 ) {
  
                  alert( "No common factors" );
  
                  return;
  
          }
  
          value1 = Math.abs( value1 );
  
          value2 = Math.abs( value2 );
  
          var answer = "1";
  
          for ( var x = 2; x < Math.min( value1, value2 ); x ++ ) {
  
                  var check1 = value1 / x;
  
                  
  
                  if ( check1 == Math.round( check1 ) ) {
  
                          var check2 = value2 / x;
  
                          if ( check2 == Math.round( check2 ) ) {
  
                                  answer += ", " + x;
  
                          }
  
                  }
  
          }        
  
          alert( "value1 = " + value1 + "\nvalue2 = " + value2 + "\nCommon Factors: " + answer );
  
  }
  
  </script>
  
  </HEAD>
  
  <!-- STEP TWO: Copy this code into the BODY of your HTML document  -->
  
  <BODY>
  
  <!-- This script and many more are available free online at -->
  
  <!-- The JavaScript Source!! http://javascript.internet.com -->
  
  <!-- Original:  Tom McComb (tom@dominoquest.com) -->
  
  <!-- Web Site:  http://www.dominoquest.com/ -->
  
  <form>
  
  <table border=1 cellspacing=1 cellpadding=3 width=300>
  
          <tr>
  
                  <td colspan=2><font face=Arial size=2>
  
                  Enter two numbers, then click the button to find the common integer factors of both numbers.
  
                  </font></td>
  
          </tr>
  
          <tr>
  
                  <td><font face=Arial size=1>Composite 1:</font></td>
  
                  <td><input type=text name=composite1></td>
  
          </tr>
  
          <tr>
  
                  <td><font face=Arial size=1>Composite 2:</font></td>
  
                  <td><input type=text name=composite2></td>
  
          </tr>
  
          <tr>
  
                  <td colspan=2 align=right><input type=button value="Find Common Factors" onclick="findFactors();"></td>
  
          </tr>
  
  </table>
  
  </form>
  
  <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:  2.51 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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