sheetjs-clone/docbits/10_install.md

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## Getting Started
### Installation
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**Standalone Browser Scripts**
The complete browser standalone build is saved to `dist/xlsx.full.min.js` and
can be directly added to a page with a `script` tag:
```html
<script lang="javascript" src="dist/xlsx.full.min.js"></script>
```
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<details>
<summary><b>CDN Availability</b> (click to show)</summary>
| CDN | URL |
|-----------:|:-------------------------------------------|
| `unpkg` | <https://unpkg.com/xlsx/> |
| `jsDelivr` | <https://jsdelivr.com/package/npm/xlsx> |
| `CDNjs` | <https://cdnjs.com/libraries/xlsx> |
| `packd` | <https://bundle.run/xlsx@latest?name=XLSX> |
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For example, `unpkg` makes the latest version available at:
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```html
<script src="https://unpkg.com/xlsx/dist/xlsx.full.min.js"></script>
```
</details>
<details>
<summary><b>Browser builds</b> (click to show)</summary>
The complete single-file version is generated at `dist/xlsx.full.min.js`
A slimmer build is generated at `dist/xlsx.mini.min.js`. Compared to full build:
- codepage library skipped (no support for XLS encodings)
- XLSX compression option not currently available
- no support for XLSB / XLS / Lotus 1-2-3 / SpreadsheetML 2003
- node stream utils removed
Webpack and Browserify builds include optional modules by default. Webpack can
be configured to remove support with `resolve.alias`:
```js
/* uncomment the lines below to remove support */
resolve: {
alias: { "./dist/cpexcel.js": "" } // <-- omit international support
}
```
</details>
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With [bower](https://bower.io/search/?q=js-xlsx):
```bash
$ bower install js-xlsx
```
**Deno**
The [`sheetjs`](https://deno.land/x/sheetjs) package is available on deno:
```ts
import * as XLSX from 'https://deno.land/x/sheetjs/xlsx.mjs'
```
**NodeJS**
With [npm](https://www.npmjs.org/package/xlsx):
```bash
$ npm install xlsx
```
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By default, the module supports `require`:
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```js
var XLSX = require("xlsx");
```
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The module also ships with `xlsx.mjs` for use with `import`:
```js
import * as XLSX from 'xlsx/xlsx.mjs';
/* load 'fs' for readFile and writeFile support */
import * as fs from 'fs';
XLSX.set_fs(fs);
/* load the codepage support library for extended support with older formats */
import * as cpexcel from 'xlsx/dist/cpexcel.full.mjs';
XLSX.set_cptable(cpexcel);
```
**PhotoShop and InDesign**
`dist/xlsx.extendscript.js` is an ExtendScript build for Photoshop and InDesign
that is included in the `npm` package. It can be directly referenced with a
`#include` directive:
```extendscript
#include "xlsx.extendscript.js"
```
<details>
<summary><b>Internet Explorer and ECMAScript 3 Compatibility</b> (click to show)</summary>
For broad compatibility with JavaScript engines, the library is written using
ECMAScript 3 language dialect as well as some ES5 features like `Array#forEach`.
Older browsers require shims to provide missing functions.
To use the shim, add the shim before the script tag that loads `xlsx.js`:
```html
<!-- add the shim first -->
<script type="text/javascript" src="shim.min.js"></script>
<!-- after the shim is referenced, add the library -->
<script type="text/javascript" src="xlsx.full.min.js"></script>
```
The script also includes `IE_LoadFile` and `IE_SaveFile` for loading and saving
files in Internet Explorer versions 6-9. The `xlsx.extendscript.js` script
bundles the shim in a format suitable for Photoshop and other Adobe products.
</details>