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modernizr bugged on chrome



hi all this is a strange bug report , but it only happends on google chrome browsers ( latest version ) please see attached video , this is taken from the latest prestashop , but the bug also exist in here

here is also a small snipped for the bug report

ok it seems it is heavy related to google chrome and its behavior ( and how sensitive it is to javascript i guess ) if i test it on other browsers then it seems to act just fine (coulnd reproduce the bug )

also in chrome it doesnt show the dropdown ( sidebar ) like it does in internet explorer or in Edge

if you click in edge on the setting ( like shop parrameters ) it shows a dropdown in that list like on mobile vieuw in chrome , it just does not shows a dropdown at all , and if it doesnt trow that error it shows the hover

Tested versions below Chrome version : Versie 64.0.3282.167 (bug reported version ) latest version : Versie 64.0.3282.186 ( bug still exist )

Not able to reproduce the bugs (it does not exist ): Internet explorer : 11.25.16299.0 internet explorer update version : 11.0.49 Microsoft EdgeHTML 16.16299 Microsoft Edge 41.16299.15.0


01519465537192prestashop demo bug.zip

Greets From PowerChaos

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its exactly the same , tested it on the thirtybees demo site before i even made this bug report as i hate to work with other browsers ... and it really breaks things a lot

unless that site does not use modernizr anymore from prestashop ( so there own fully modified version ) will this error still exist

just to confirm everyhting , i only needed to enter the backend demo and i got the error already Uncaught TypeError: Cannot read property 'insertBefore' of null at a.yepnope.injectJs (modernizr.min.js:4) at modernizr.min.js:4 index.php?controller=AdminDashboard&token=98750039237cd341cc6635569addf7bc:1 Slow network is detected. Fallback font will be used while loading: https://back.thirtybees.com/administrator/themes/default/fonts/fontawesome-webfont.woff2?v=4.3.0 chrome-extension://bkbdaodnaecdijpajecpncpdomgcoakc/content-script.js:47 content script: init chrome-extension://bkbdaodnaecdijpajecpncpdomgcoakc/content-script.js:24 content script: event received chrome-extension://bkbdaodnaecdijpajecpncpdomgcoakc/content-script.js:25 MessageEvent modernizr.min.js:4 Uncaught TypeError: Cannot read property 'insertBefore' of null at a.yepnope.injectJs (modernizr.min.js:4) at modernizr.min.js:4 a.yepnope.injectJs @ modernizr.min.js:4 (anonymous) @ modernizr.min.js:4 setTimeout (async) h @ modernizr.min.js:4 (anonymous) @ modernizr.min.js:4 and i realy do not feel to make a other video that is exactly the same (and does the same ) but here is a screenshot 0_1519468222776_30bees bug.png

Greets From Powerchaos

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@Mediacom87 ok it does seems related to a browser plugin

specialy the following plugin poperblocker ( popup overlay blocker )

if i disable or remove it then the bug does not happen

so its more a extention bug then a script bug ? is it possible to rewrite modernizr so it can prevented , as i am definaly not the only one with that extention

i shall make a bug report to the creator of that plugin so he can also adjust his code to prevent this from happening

Thank you for your response and the solution :dark_sunglasses:

Greets From PowerChaos

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