JavaScript DHTML/Dojo toolkit/Math

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Calculate distance for two points

 
<html>
  <head>
    <script type="text/javascript">
      var djConfig = {
        baseScriptUri : "js/dojo/",
        parseOnLoad : true
      };
    </script>
    <script type="text/javascript" src="js/dojo/dojo/dojo.js"></script>
    <script>
      dojo.require("dojox.math._base");
      
      function testIt() {
        var s = dojox.math.distance([2,2],[4,2]);
        alert(s)
      }
    </script>
  </head>
  <body onLoad="testIt();">
  </body>
</html>



Convert degree to Radians

 
<html>
  <head>
    <script type="text/javascript">
      var djConfig = {
        baseScriptUri : "js/dojo/",
        parseOnLoad : true
      };
    </script>
    <script type="text/javascript" src="js/dojo/dojo/dojo.js"></script>
    <script>
      dojo.require("dojox.math._base");
      
      function testIt() {
        var s = dojox.math.degreesToRadians(90);
        alert(s)
      }
    </script>
  </head>
  <body onLoad="testIt();">
  </body>
</html>



Convert radian to degree

 
<html>
  <head>
    <script type="text/javascript">
      var djConfig = {
        baseScriptUri : "js/dojo/",
        parseOnLoad : true
      };
    </script>
    <script type="text/javascript" src="js/dojo/dojo/dojo.js"></script>
    <script>
      dojo.require("dojox.math._base");
      
      function testIt() {
        var s = dojox.math.radiansToDegrees(1.5707963267948966);
        alert(s)
      }
    </script>
  </head>
  <body onLoad="testIt();">
  </body>
</html>



Get gaussian random number

 
<html>
  <head>
    <script type="text/javascript">
      var djConfig = {
        baseScriptUri : "js/dojo/",
        parseOnLoad : true
      };
    </script>
    <script type="text/javascript" src="js/dojo/dojo/dojo.js"></script>
    <script>
      dojo.require("dojox.math._base");
      
      function testIt() {
        var s = dojox.math.gaussian();
        alert(s)
      }
    </script>
  </head>
  <body onLoad="testIt();">
  </body>
</html>



Get mid point

 
<html>
  <head>
    <script type="text/javascript">
      var djConfig = {
        baseScriptUri : "js/dojo/",
        parseOnLoad : true
      };
    </script>
    <script type="text/javascript" src="js/dojo/dojo/dojo.js"></script>
    <script>
      dojo.require("dojox.math._base");
      
      function testIt() {
        var s = dojox.math.midpoint([2,2],[8,2]);
        alert(s)
      }
    </script>
  </head>
  <body onLoad="testIt();">
  </body>
</html>



Get range

 
<html>
  <head>
    <script type="text/javascript">
      var djConfig = {
        baseScriptUri : "js/dojo/",
        parseOnLoad : true
      };
    </script>
    <script type="text/javascript" src="js/dojo/dojo/dojo.js"></script>
    <script>
      dojo.require("dojox.math._base");
      
      function testIt() {
        var s = dojox.math.range(10, 100, 5);
        alert(s)
      }
    </script>
  </head>
  <body onLoad="testIt();">
  </body>
</html>



Math.standard deviation

 
<html>
  <head>
    <script type="text/javascript">
      var djConfig = {
        baseScriptUri : "js/dojo/",
        parseOnLoad : true
      };
    </script>
    <script type="text/javascript" src="js/dojo/dojo/dojo.js"></script>
    <script>
      dojo.require("dojox.math._base");
      
      function testIt() {
        var s = dojox.math.sd([99,45,-17,62]);
        alert(s)
      }
    </script>
  </head>
  <body onLoad="testIt();">
  </body>
</html>
Источник — «http://wbex.ru/index.php?title=JavaScript_DHTML/Dojo_toolkit/Math&oldid=1935»