Canvas LiveEditor

Canvas
    canvas.width=canvas.height=800;
    ctx.fillStyle = '#FA0';
    ctx.fillRect(10, 10, 100, 100);
    ctx.fillStyle = '#00F';
    ctx.font = 'Italic 30px Sans-Serif';
    ctx.textBaseline = 'Top';
    ctx.fillText ('Hello world!', 40, 100);
                    
    ctx.font = 'Bold 30px Sans-Serif';
    ctx.strokeText('Hello world!', 40, 50);