Detect WebGL support

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A WebGL-enabled browser is a requirement of the ArcGIS API for JavaScript.This sample shows how to detect if the browser has WebGL enabled, and show a message for browsers that don't.

To test this sample, temporarily turn off WebGL:For example, in Firefox, type "about:config" in URL bar, search for "webgl.disabled" and turn it to true.

To test if your browser has WebGL enabled, you can try get.webgl.org or webglreport.com.

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