blz questions

• Why can't I use a &str in trim_matches() like in trim_right_matches()?
• Can I import ES Modules from other <script type="module">
• Does node.js run asynchronous file reading/writing in main thread?
• `String.raw` when last character is `\`
• `PrintQueue.AddJob` does not finish
• Can I use ES Modules library from CDN?

blz answers