Create customer_account_create.xml at
app/code/MyModulespace/ModuleName/view/frontend/layout/customer_account_create.xml
<?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">
<head>
<script src="MyModulespace_ModuleName::js/myjs.js"/>
<css src="MyModulespace_ModuleName::css/mycss.css" />
</head>
</page>
Also, keep Magento_Customer in a sequence of your module
app/code/MyModulespace/ModuleName/etc/module.xml
<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
<module name="MyModulespace_ModuleName" setup_version="1.0.0">
<sequence>
<module name="Magento_Customer"/>
</sequence>
</module>
</config>
Add custom js via
requirejs-config.js
app/code/MyModulespace/ModuleName/view/frontend/requirejs-config.js
var config = {
map: {
'*': {
myjs:'MyModulespace_ModuleName/myjs'
}
}
};
app/code/MyModulespace/ModuleName/web/js/myjs.js
define('jquery', function($) {
//Your custom js code here
}(jQuery)
);
Then you can use custom js in registration template
<script>
// <![CDATA[
require(['jquery','myjs'], function ($, myjs) {
//Your code
});
// ]]>
</script>