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JavaScript - fillStyle vs strokeStyle

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Created by:

Kevin

797

In this article, we would like to show you the difference between fillStyle and strokeStyle in JavaScript.

Quick solution:

1. strokeStyle is used for setting the shape outline color,

2 fillStyle is used for setting the fill color.

Note:

The properties can be set to a string representing a CSS color value, a gradient or a pattern. By default, the strokeStyle and fillStyle colors are set to black.

Practical example

Edit

In this section, we present a practical example that shows the difference between strokeStyle and fillStyle properties.

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<!doctype html>
<html>
<head>
  <style>
​
    #my-canvas { border: 1px solid gray; }
​
  </style>
</head>
<body>
  <canvas id="my-canvas" width="200" height="200"></canvas>
  <script>
​
    var canvas = document.querySelector('#my-canvas');
    var context = canvas.getContext('2d');
​
    context.lineWidth = 10;           // sets shape outline width (in px)
​
    // strokeStyle
    context.strokeStyle = 'green';    // sets shape outline color
​
    // fillStyle
    context.fillStyle = 'red';        // sets shape fill color
​
    // drawing
    context.beginPath();
    context.rect(50, 50, 100, 100);   // square shape
    context.fill();                   // fills the shape with fillStyle color
    context.stroke();
​
  </script>
</body>
</html>