Bugfix: JS SDK - Wait for document.body to load #2002
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jdorn
approved these changes
Jan 5, 2024
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Features and Changes
In some cases the JS SDK will try to apply changes to
document.bodybefore it has loaded.This leads to a broken state for the SDK and blocks experiments from running.
This PR modifies the way we mount a customers custom JS by appending the containing
<script>tag todocument.headinstead.Also adding docs to remind users that their custom JS will run immediately on page load and to take steps to assert the body or descendant elements exist before executing against them.
document.bodyis loaded #1982Error state
Dependencies
Testing
Tested locally
https://www.loom.com/share/61700daefe224a5391986e387cdb663f
Old:
https://www.loom.com/share/a64ed476288a44608c80d5dbb2236b2a