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JavaScript - how to set path width (thickness / size) drawing on canvas element?

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14 points

Simple solution:

context.lineWidth = 20; // 20px

context.beginPath();
context.moveTo(20, 40);
context.lineTo(70, 150);
context.lineTo(110, 80);
context.lineTo(180, 170);
context.stroke();

 

Using JavaScript it is possible to path in following way.

1. lineTo method example

// ONLINE-RUNNER:browser;

<!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');

    function drawLine() {

        context.lineWidth = 20;

        context.beginPath();
        context.moveTo(20, 40);
        context.lineTo(70, 150);
      	context.lineTo(110, 80);
       	context.lineTo(180, 170);
      	context.stroke();
    }

    drawLine();

  </script>
</body>
</html>
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