Even those this is becming less and less of a problem, some devices or browsers may not support WebGL.
Here is how to check if it is supported and display a warning to the user if it is not.
Even though this is becoming less and less of a problem, some devices or browsers may still not support WebGL.
The following method allows you to check if it is supported and display a message to the user if it is not.
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<h2>A solution</h2>
<p>In order to detect webgl compatibility and gracefully inform the user you can add <ahref="https://github.com/mrdoob/three.js/blob/master/examples/js/Detector.js">https://github.com/mrdoob/three.js/blob/master/examples/js/Detector.js</a> to your javascript and use this example to avoid even attempting to render anything:</p>