Apr 22, 2025 · This article provides code samples that show how to perform common tasks with worksheets using the Excel JavaScript API. For the complete list of properties and methods that the Worksheet and WorksheetCollection objects support, see Worksheet Object (JavaScript API for Excel) and WorksheetCollection Object (JavaScript API for Excel) .

May 2, 2023 · Excel JavaScript API: These are the application-specific APIs for Excel. Introduced with Office 2016, the Excel JavaScript API provides strongly-typed objects that you can use to access worksheets, ranges, tables, charts, and more.

Mar 21, 2023 · Learn the key object types in the Excel JavaScript APIs and how to use them to build add-ins for Excel.

SheetJS is a JavaScript library for reading and writing data from spreadsheets. Office 2016 introduced a JavaScript API for interacting with the application. It offers solutions for custom functions as well as task panes. Excel currently does not provide support for working with Apple Numbers files and some legacy file formats. SheetJS fills ...

Learn how to import, modify, and export Excel (.xlsx) files in JavaScript applications. Many companies rely on spreadsheets, more specifically Microsoft Excel, to help run their business.

Oct 18, 2023 · ExcelJS is a JavaScript library for reading, manipulating and writing spreadsheet data in XLSX format. We install ExcelJS with npm i exceljs command. In this article we work with xlsx files. The xlsx is a file extension for an open XML spreadsheet file format used by Microsoft Excel. The xlsm files support macros.

Dec 13, 2024 · For people using Excel 2016 or later version, there is an Excel add-in called Funfun in the add-in store that actually allows you to write and run JavaScript code directly in Excel. And of course, your JavaScript code also has access to the data stored in the spreadsheet. Here is a screenshot of how it looks like in Excel 2016.

You can use Excel with Javascript and generate a spreadsheet for your web readers. This opens an Excel spreadsheet with the content you specify, and the user can choose to read, edit and save the file onto the computer. This is beneficial for web developers who want to create Excel spreadsheets on the fly in their web pages.

Oct 20, 2024 · ExcelJS is a powerful JavaScript library used to read, manipulate, and write Excel files. It allows developers to work with Excel data in .xlsx or .csv formats programmatically. This is extremely useful when generating reports, importing/exporting data, or working with spreadsheets in JavaScript/Node.js environments.

Jan 23, 2023 · In this article, we will discuss how to work with XLSX files in JavaScript, including reading, creating, and importing XLSX files. To use the xlsx library in your JavaScript project, you will...