Merge pull request rails#42560 from diegodauri/migrate-asset-pipeline-to-modern-js

Migrate asset pipeline to modern javascript

Author: rafaelfranca

guides/source/asset_pipeline.md

@@ -407,18 +407,11 @@ If you add an `erb` extension to a JavaScript asset, making it something such as
 JavaScript code:
 
 ```js
-$('#logo').attr({ src: "<%= asset_path('logo.png') %>" });
+document.getElementById('logo').src = "<%= asset_path('logo.png') %>"
 ```
 
 This writes the path to the particular asset being referenced.
 
-Similarly, you can use the `asset_path` helper in CoffeeScript files with `erb`
-extension (e.g., `application.coffee.erb`):
-
-```js
-$('#logo').attr src: "<%= asset_path('logo.png') %>"
-```
-
 ### Manifest Files and Directives
 
 Sprockets uses manifest files to determine which assets to include and serve.