$.widget is not a function Magento 2 fix

This issue is caused by multiple jquery instance, to fix it, just use the code below : 1. ADD : app/design/frontend/{Vendor}/{Theme}/requirejs-config.js 2. COPY lib/web/requirejs/require.js TO app/design/frontend/{Vendor}/{Theme}/web/requirejs/require.js 3. Line #1841 – 1885, change to : 4. Clear all caches, deploy static content. If this changes worked with you, please leave a comment 🙂

Override Magento 1 Controller Function (AccountController.php)

Override Magento 1 Controller Function (AccountController.php) 1. Make a module file. app/etc/modules/Vendor_Module.xml 2. Make a module configuration file app/code/local/Vendor/Module/etc/config.xml 3. Create the file controller app/code/local/Vendor/Module/controllers/AccountController.php