> For the complete documentation index, see [llms.txt](https://notes.lirenxn.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://notes.lirenxn.com/2020/wk-notes-01-17-bundling-browser-module-treeshake-2.md).
# Wk-notes-01-17-bundling-browser-module-treeshake-2
### How to use browser js module
**A great cdn:**
**No bundling and shit !!**
`htm`
```javascript
htm Demo
```
**Separate Bundling builds**
**Purpose :** To support various consumers including modern browser
Example:
[**Enable Modern Javascript from npm**](https://jasonformat.com/enabling-modern-js-on-npm/)
**Question:** how does webpack(npm) consume the pkg
### Treeshake-2
Webpack-v4 enables treeshake out of box. If you are using the correct syntax, and the referenced pkg is correctly bundled. it would be treeshaked.
> To enable tree-shaking in lodash, you have to import functions using syntax like `import foo from 'lodash/foo'`. `import { foo } from 'lodash'` will not tree-shake, nor will, obviously, `import _ from 'lodash'`. Support for this syntax was implemented in Lodash v4.
---
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