I have a custom extension that has a javascript file which need to run on every page in magento 2 backend to use jquery and ajax function, is there a way to do this action with custom extension?

1 Answer 1


You wiil have to make YourVendor/YourModule/view/adminhtml/default.xml for this and paste following code.

<?xml version="1.0"?>
<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
        <script src="YourVendor_YourModule::js/yourcustomjs.js"></script>

and paste your js code in YourVendor/YourModule/view/adminhtml/web/js/yourcustomjs.js

Do remember to deploy static content and flushing and cleaning cache

php bin/magento setup:static-content:deploy

php bin/magento cache:flush

php bin/magento cache:clean

and give required permissions

chmod 777 -R var pub

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