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HTML | canvas strokeStyle Property

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  • Difficulty Level : Expert
  • Last Updated : 30 Jan, 2023
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The canvas strokeStyle property is used to set or return the stroke of color, gradient, or pattern used in the drawing. Syntax:

context.strokeStyle=color|gradient|pattern;

Property Value:

  • color: It is used to set the filled color of drawing. The default value of canvas fillStyle property is black.
  • gradient: It is used to set the gradient object to fill the drawing. The gradient object are linear or radial.
  • pattern: It is used to set the pattern to fill the drawing.

Example 1: This example uses canvas strokeStyle property to set the stroke color to green. 

html




<!DOCTYPE html>
<html>
 
<head>
    <title>
        HTML canvas strokeStyle property
    </title>
</head>
 
<body>
    <canvas id="GFG" width="500" height="300"></canvas>
     
    <!-- Script to uses canvas strokeStyle property -->
    <script>
        var x = document.getElementById("GFG");
        var context = x.getContext("2d");
         
        // Create rectangle
        context.rect(50, 50, 350, 200);
         
        // Set stroke color
        context.strokeStyle = "green";
         
        // Set stroke width
        context.lineWidth = "10";
         
        context.stroke();
    </script>
</body>
 
</html>                   

Output: Example 2: This example uses canvas strokeStyle property to set the stroke color using linear gradient. 

html




<!DOCTYPE html>
<html>
 
<head>
    <title>
        HTML canvas strokeStyle property
    </title>
</head>
 
<body>
    <canvas id="GFG" width="500" height="300"></canvas>
     
    <!-- Script to uses canvas strokeStyle property -->   
    <script>
        var x = document.getElementById("GFG");
        var context = x.getContext("2d");
         
        // Create linear gradient
        var gr = context.createLinearGradient(0, 0, 350, 200);
         
        // Set color and position in a gradient object
        gr.addColorStop("0", "green");
        gr.addColorStop("0.7", "yellow");
        gr.addColorStop("1.0", "blue");
         
        // Set stroke style to gradient
        context.strokeStyle = gr;
         
        // Set line width
        context.lineWidth = 5;
         
        // Create rectangle
        context.rect(50, 50, 350, 200);
         
        context.stroke();
    </script>
</body>
 
</html>                   

Output: Supported Browsers: The browsers supported by canvas strokeStyle property are listed below:

  • Google Chrome
  • Internet Explorer 9.0
  • Firefox
  • Safari
  • Opera

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