Bitrix JS/CSS Extensions

Baseline: main 23.0+. Extensions organize JavaScript and CSS into bundles loaded by the kernel.

Location

• System: /bitrix/js/<module>/<extension>/
• User: /local/js/<module>/<extension>/
• Module package (copied on install): /local/modules/<module>/install/js/<module>/<extension>/ → deployed under /bitrix/js/... (or keep runtime sources in /local/js/)

/local/ takes precedence over /bitrix/.

Structure