HTML5 Game - A vertical gradient stroke

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Description

A vertical gradient stroke

Demo

ResultView the demo in separate window 

<!DOCTYPE html>  
<html> 
<head> 
<style> 
#canvas { //w w w . ja  va 2s .co m
  border:1px solid #03F; 
  background:#CFC; 
} 
</style> 
</head> 
<body> 
<canvas id="canvas" width="640" height="480"></canvas> 
<script> 
  let context = document.getElementById('canvas').getContext('2d'); 
    
      let gr = context.createLinearGradient(0, 0, 0, 100); 

      // Add the color stops. 
      gr.addColorStop(0,'rgb(255,0,0)'); 
      gr.addColorStop(.5,'rgb(0,255,0)'); 
      gr.addColorStop(1,'rgb(255,0,0)'); 

      // Use the gradient for the fillStyle. 
      context.strokeStyle = gr; 
      context.beginPath(); 
      context.moveTo(0,0); 
      context.lineTo(50,0); 
      context.lineTo(100,50); 
      context.lineTo(50,100); 
      context.lineTo(0,100); 
      context.lineTo(0,0); 
      context.stroke(); 
      context.closePath(); 

</script> 



</body> 
</html>

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