Drawing a Christmas Tree Using Nested For Loops : For : Language Basics JAVASCRIPT DHTML TUTORIALS

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Drawing a Christmas Tree Using Nested For Loops



<HTML>
<BODY>
<CENTER>
<SCRIPT> 
   var width=1; 
   for (i=0; i <= 5 ; i++) { 
      for (x=0; x<=4; x++) { 
         for (y=1; y<=width; y++) { 
            var Number=Math.random()*10; 
            var Ornament=Math.round(Number); 
            if (Ornament<=1) { 
               document.write("O"); 
            } 
            if (Ornament>=2)  { 
               document.write(" X"); 
            } 
         } 
         document.write("<BR>"); 
         width=width+1; 
      } 
      width=width-2; 
   } 
</SCRIPT>
</CENTER>
</BODY>
</HTML>