Feature detection (web development): Difference between revisions

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// Geolocation API is supported
}</nowiki>
 
For a higher level of confidence, some feature tests will attempt to invoke the feature then look for clues that it behaved properly. For example, a test for support for [[HTTP_cookie|cookies]] might attempt to set a value as a cookie and then verify it can be read back.
 
==Undetectables==