How to draw rectangular box programmatically in javascript

I am trying to draw the rectangular box on开发者_StackOverflow stacklayout's view programmatically (on runtime) using javascript so if any one has a solution for that please do tell me.

Thnx in advance

Parag

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place a canvas part on the view within stacklayout then use canvas draw functions from js;

var c=document.getElementById("canvas");
var cxt=c.getContext("2d");
cxt.fillStyle="#FF0000";
cxt.fillRect(0,0,75,75);