I corrected Java to JavaScript syntax in the Evolution Page.
summary:
JavaScript color are strings like "blue" "red" etc
JavaScript parseInt() does same thing as (int)
alert(e) instead to pop up a dialog box
catch(e) instead



if (boxstatus == 0) systimestart = System.currentTimeMillis();
             t += dt;
iteration += 1;
  
  if (boxstatus == 0) {
//   System.out.println(" starting the red part ");
//   System.out.println(System.currentTimeMillis());
       // sleeptimered = (int)(fixedint*2*slider);
       sleeptimered = parseInt(fixedint*2*slider)

  
            try {
            // thread to sleep for 1000 milliseconds
          //  Thread.sleep(sleeptimered);
         } catch (e) {
              //System.out.println(e);
              alert(e);
           }
          
        //shapecolor=java.awt.Color.BLUE;
        shapecolor= "BLUE";
          systime = (System.currentTimeMillis() - systimestart)/1000.;
//              System.out.println(" awake in the red part ");
          boxstatus = 1;
         // sleeptimeblue = 3000 + (int)Math.round(5000*Math.random());
sleeptimeblue = 3000 + parseInt(Math.round(5000*Math.random()));
          }
          else {    
//             System.out.println(" starting the blue part ");
//                System.out.println(System.currentTimeMillis());
                           try {
            // thread to sleep for 1000 milliseconds
           // Thread.sleep(sleeptimeblue);
         } catch (e) {
             // System.out.println(e);
              alert(e);
           }
//              System.out.println(" awake in the blue part ");
           boxstatus = 0;
           systime = 0;
           //shapecolor=java.awt.Color.RED;
           shapecolor="RED";
//

           }

Attached File: ejss_src_blink_test6_nosliderlookang.zip

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