Question

How to draw a square of circles with different color for each circle in JavaScript

Answer 1

<canvas id="canvas" width="1024" height="600"></canvas>

<script type="text/JavaScript">   

var ctx = document.getElementById('canvas').getContext('2d');
  
for (var i = 0; i < 7; i++) {
  for (var j = 0; j < 7; j++) {
    ctx.strokeStyle = 'rgb(0,' + Math.floor(255 - 25 * i) + ',' + 
                                 Math.floor(255 - 25 * j) + ')';
    ctx.beginPath();
    ctx.arc(10 + j * 25, 10 + i * 25, 10, 0, Math.PI * 2, true);
    ctx.stroke();
  }
}
 
</script>

 

70+ SQL courses for beginners and professionals