{"ScriptPreparationCode":"var can = document.getElementById(\u0027canvas1\u0027);\r\nvar ctx = can.getContext(\u00272d\u0027);\r\nctx.fillRect(50,50,50,50);\r\nctx.clearRect(0,0,400,400);\r\n\r\nvar can2 = document.getElementById(\u0027canvas2\u0027);\r\nvar ctx2 = can2.getContext(\u00272d\u0027, {alpha: false} );\r\nctx2.fillRect(50,50,50,50);\r\nctx2.clearRect(0,0,400,400);","TestCases":[{"Name":"false","Code":"ctx2.fillStyle = \u0027rgba(255, 255, 255, 0.3)\u0027;\r\nctx2.fillRect(0,0,400,400);","IsDeferred":false},{"Name":"true","Code":"ctx.fillStyle = \u0027rgba(255, 255, 255, 0.3)\u0027;\r\nctx.fillRect(0,0,400,400);","IsDeferred":false}]}