magento2 - Magento 2 - How to add additional js files to product page only -

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magento 2 use requirejs , different approach version 1. therefore, if want keep using default theme luna, extend product page adding 1 javascript file. best way do?

should extend creating new module?

--update-- after thinking question above, here, i'm listing in steps follow. need find way , solution. since i'm new magento 2, questions might simple you, please don't mind give help. thanks!

  1. create child theme , use luma theme parent. (i'm studying http://devdocs.magento.com/guides/v2.0/frontend-dev-guide/themes/theme-create.html there many questions in detail on how locate js file)

  2. magento 2 use requirejs. best way put js file, such as, if have js file trigger events on product variation changes. , js file named custom-events.js. should put?

--update-- created child theme of luna, ie: named as: vendor , lunachild:

app/design/frontend/vendor/lunachild/theme.xml app/design/frontend/vendor/lunachild/registration.php app/design/frontend/vendor/lunachild/etc/view.xml

how place catalog_product_view.xml in theme?

you can add js throught xml layout. have override catalog_product_view.xml local theme.

<?xml version="1.0"?> <!-- /** * copyright © 2015 scommerce mage. rights reserved. * see copying.txt license details. */ --> <page xmlns:xsi="http://www.w3.org/2001/xmlschema-instance" xsi:nonamespaceschemalocation="urn:magento:framework:view/layout/etc/page_configuration.xsd">     <head>         <link src="custom_module::custom.js"/>         <css src="custom_module::custom.css"/>     </head>     <body/> </page>

also can add css or js using require.js , using head.additional block


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