is possible identify visitors site running development browser, chrome canary, using javascript?
using user agent string, possible check out version of browser, increments assume dev version becomes standard version , legacy version; targeting version number need updating.
e.g. these dev , stock versions of chrome:
canary (17/07/15) mozilla/5.0 (windows nt 6.1; win64; x64) applewebkit/537.36 (khtml, gecko) chrome/46.0.2457.0 safari/537.36
"stock" (17/07/15) mozilla/5.0 (windows nt 6.1; wow64) applewebkit/537.36 (khtml, gecko) chrome/43.0.2357.134 safari/537.36
i'm using chrome example i'd target firefox , safari beta versions if possible.
the reason provide specific content people are, well, developer-y.
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