This directory contains core JavaScript files for WordPress admin and front-end functionality. Includes scripts for the editor interface, admin bars, user interaction components, and legacy JavaScript compatibility layers.
common.js
Core WordPress JavaScript utilities
admin-bar.js
Admin toolbar interactivity
editor.js
Gutenberg editor core functionality
heartbeat.js
Autosave and session ping system
wp-i18n.js
Internationalization system
wp-ajax.js
Legacy AJAX request handler
Modifications to JS assets may require browser cache clearance and PHP dependency regeneration.