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Hi! I’m unable to see either the <dev mode widget>, or the GrowthBook Chrome Extension dev tools in ...
# ask-questions
d
Hi! I’m unable to see either the dev mode widget, or the GrowthBook Chrome Extension dev tools in my browser after installing the react growthbook SDK and creating an experiment for my app. I’ve also double checked that the dev mode script is loaded in my browser. Will either this dev mode widget or chrome extension work for locally served sites (I’m currently in the development process)?
f
hi Jed. Local like localhost or file://?
d
like localhost. Growthbook is also correctly showing a feature on the page where I am attempting to load the script and test the extension
f
it should work on localhost
ya, I can reproduce that
d
both the dev mode widget and chrome extension?
f
was testing the chrome extension
let me see if jeremy is around
f
Hi Jed. What SDK and framework are you using?
d
React, Next
f
Can you see if 
window._growthbook
is defined on the loaded page?
d
Copy code
console.log(window._growthbook)

GrowthBook {_trackedExperiments: Set(0), debug: false, subscriptions: Set(1), assigned: Map(0), _renderer: ƒ, …}
assigned: Map(0) {size: 0}
context: {features: {…}, attributes: {…}}
debug: false
subscriptions: Set(1) {ƒ}
_attributeOverrides: {}
_forcedFeatureValues: Map(0) {size: 0}
_renderer: () => { setRenderCount(v => v + 1); }
_trackedExperiments: Set(0) {size: 0}
[[Prototype]]: Object
Probably what’s expected
f
And you're using GrowthBook from a component and not within middleware, right?
d
Yep, it’s correctly rendering my feature as I’d expect considering my 
trackingAttributes
I also see the widget script being loaded
f
The dev mode script is deprecated and replaced by the chrome extension.
d
Gotcha, I’ll remove that. Still do need to figure out the extension though
Really appreciate the help so far
f
In the console in devtools, you should see a "top" dropdown. Can you select the GrowthBook Dev Tools extension and see if there are any errors?
d
Well, after updating Chrome it now works
Unfortunately I’m not sure what version I was on before, but appreciate the help
f
I've noticed when Chrome has a pending update for a while, random things start to break. Don't know if that was the cause or something else. Glad it's working now though!
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