I am trying to add custom javascript to all product page and category page. but I don't known if to create custom magento 2 module or can edit the magento vendor module.

If I can use the two above how do i go about it

1 Answer 1


Please use this code in app/design/frontend/{Vendor}/{ThemePackage}/Magento_Catalog/view/default.xml

<?xml version="1.0"?>
<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../../../../lib/internal/Magento/Framework/View/Layout/etc/page_configuration.xsd">
        <!-- some code-->

        <!-- for including css -->
        <css src="Magento_Catalog::css/some.css"/>     
        <!-- for including js -->

        <link src="Magento_Catalog::js/slider/some.js"/>

        <!-- some code-->
  • for my default theme I don't have view folder and default.xml on that directory. Can I use custom module
    – codePhree
    Commented Apr 19, 2017 at 13:05
  • If you are using any theme Please create these directories and file else create a module Commented Apr 19, 2017 at 13:06
  • I am thinking of future where we may update the theme
    – codePhree
    Commented Apr 19, 2017 at 13:08
  • Module creation is the best part for that also this xml work Commented Apr 19, 2017 at 13:10
  • How can I do this with custom module
    – codePhree
    Commented Apr 19, 2017 at 13:26

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