JS Ecosystem Demos

The demos directory includes sample projects for:

Frameworks and APIs

• angularjs
• angular and ionic
• knockout
• meteor
• react and react-native
• vue 2.x and weex
• XMLHttpRequest and fetch
• nodejs server
• databases and key/value stores
• typed arrays and math

Bundlers and Tooling

• browserify
• fusebox
• parcel
• requirejs
• rollup
• systemjs
• typescript
• webpack 2.x

Platforms and Integrations

• deno
• electron application
• nw.js application
• Chrome / Chromium extensions
• Download a Google Sheet locally
• Adobe ExtendScript
• Headless Browsers
• canvas-datagrid
• x-spreadsheet
• Swift JSC and other engines
• "serverless" functions
• internet explorer

Other examples are included in the showcase.

https://sheetjs.com/demos/modify.html shows a complete example of reading, modifying, and writing files.

https://github.com/SheetJS/sheetjs/blob/HEAD/bin/xlsx.njs is the command-line tool included with node installations, reading spreadsheet files and exporting the contents in various formats.