Bug 1516478 Comment 9 Edit History

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Original comment by
on 
#### Further consideration in future development of the API

A combined contentScripts/userScripts API would reduce browser load if both CSS & JS need to be injected.

Currently, a single `contentScripts` registration is required to inject CSS & JS. 

```js
browser.contentScripts.register({
  matches: [hosts],
  css: [{code: css}],
  js: [{code: js}],
});
```

However if the target is `userScripts`, 2 almost identical registrations/processes have to be created.
```js
browser.contentScripts.register({
  matches: [hosts],
  css: [{code: css}]
});

browser.userScripts.register.register({
  matches: [hosts],
  js: [{code: js}]
});
```
Revision 1 by
on 
#### Further consideration in future development of the API

A combined contentScripts/userScripts API would reduce browser load if both CSS & JS need to be injected.

Currently, a single `contentScripts` registration is required to inject CSS & JS. 

```js
browser.contentScripts.register({
  matches: [hosts],
  css: [{code: css}],
  js: [{code: js}],
});
```

However if the target is `userScripts`, 2 almost identical registrations/processes have to be created.
```js
browser.contentScripts.register({
  matches: [hosts],
  css: [{code: css}]
});

browser.userScripts.register({
  matches: [hosts],
  js: [{code: js}]
});
```

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