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JavaScript (Browser) SDK

This reference guide describes how to use the Optimizely JavaScript SDK.


The Optimizely JavaScript SDK is currently at version 4.2.0.


To get up and running quickly, see the JavaScript (Browser) Quickstart.


For reference docs, see the left-hand navigation, or start off with Install SDK.

Source files

You can review the JavaScript SDK repo and changelog.

Updated a day ago

JavaScript (Browser) SDK

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