strokeRect() to draw outline of rectangles on Canvas



Drag the sliders to change the X, Y postion and height width values for the rectangle.
void gctx.strokeRect(x, y, width, height );
x: Position from left edge of the canvas,
y: Position from Top edge of the canvas,
width : Width of the rectangle.
height : Height of the rectangle.
fillStyle() can be used to add colour to rectangle, default is black.
var my_canvas=$('#my_canvas').get(0)
var gctx = my_canvas.getContext("2d");
gctx.beginPath();
gctx.lineWidth=10;
gctx.strokeStyle = 'red';
gctx.strokeRect(20,20,50,50);


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