How to use fillText two times in canvas? – Blancer.com Tutorials and projects

<!DOCTYPE html>
<html lang="fi">
<head>

<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta charset="utf-8"/>
<title>Rolling and rotating text</title>
</head>
<script>
var canvas = undefined;
var ctx = undefined;
var angle = -270;
var start = 0;
var i = 0;
 
const SCROLLTEXT = "  B       C       D       A  ";


 
window.onload = function() {
    canvas = document.getElementById("canvas");
    canvas.setAttribute("width",document.documentElement.clientWidth);
    canvas.setAttribute("height",document.documentElement.clientHeight);
 
    ctx = canvas.getContext("2d");
    ctx.font = "48px courier";
 
    rotate_text();
}
 
 
function rotate_text() {
 
 
    ctx.clearRect(0,0,document.documentElement.clientWidth,document.documentElement.clientHeight);
 
    i = 0;
    
    
 
    for (let angle2 = -270 - angle; angle2 < -270 + 360 - angle; angle2+=10) {
 
        letter = SCROLLTEXT.substring(start + i, start + i + 1);
 
        ctx.save();
        ctx.translate(Math.cos((angle2) * (Math.PI / 180)) * 250, Math.sin(( angle2) * (Math.PI / 180)) * 250);
        ctx.translate(canvas.width / 2, canvas.height / 2);
        ctx.rotate((angle2) * (Math.PI / 180));
        ctx.translate(-canvas.width / 2, -canvas.height / 2);
        
        ctx.fillStyle = "#1122FF";
 
        
         
 
        ctx.fillText(letter, canvas.width / 2  , canvas.height / 2);
        
        ctx.restore();  
         
        i++;
        
 
    }
 
 
    if (angle % 10 == 0) {
        start+=1;
        angle=0;
    } 
    angle += 0.5;
     
 
    if (start == SCROLLTEXT.length - 36) {
        start = 0;
    }
     
 
    window.requestAnimationFrame(rotate_text);
 
}
 
 
</script>
<body>
    
<canvas id="canvas"></canvas>

</body>
</html>

**I tried adding alphabet “A” inside this rotating alphabets But it didn’t work for me and I don’t know how to use fillText two times, So I am expecting to add alphabets inside this rotating alphabets **