Question

How to use fillStyle() and set color with RGB(red, green, blue) to draw a rectangle on canvas in JavaScript

Answer 1

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

<script type="text/JavaScript">   

var ctx = document.getElementById('canvas').getContext('2d');
 
// red color 
ctx.fillStyle = 'rgb(' + 255 + ',' + 0 + ',' + 0 + ')';
ctx.fillRect(10, 10, 90, 120);
 

</script>

 

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