Follow the link: HTML . Use a code sample in JavaScript. Install HTML Editor for JavaScript. Add a library reference (import the library) to your JavaScript project. Open a HTML in JavaScript. Insert content at the beginning of the HTML document. Call the save() method, passing the name of the output file with the required extension. Get the edited result.

What file formats can I edit with JavaScript library?

We support a variety of file formats that you can edit in JavaScript, including DOCX, DOC, RTF, ODT, PDF, EPUB, JPG, PNG, XLS, XLSX, WPS and many more.

What is the maximum file size allowed to edit a HTML?

There are no size limits to edit HTML using our JavaScript library.

Edit HTML In Javascript

Edit text in HTML using JavaScript

Programmatic modification of HTML documents is an integral part of modern digital workflow. Edit text in HTML, insert graphs using external data, modify tables.

JavaScript library is a stand-alone solution to edit HTML that doesn't rely on other software. It's ready for commercial use covers all possible needs of professional JavaScript developers:

Modify existing HTML elements: tables, lists, charts, images, links, fields, etc.
Modify HTML styles and formatting attributes
Add new HTML elements
Search HTML for text patterns and replace them with new text
Save the result to a variety of file formats using 'Document.Save' method
Remove unwanted HTML elements (paragraphs, pages, sections, chapters)

Change HTML in JavaScript

JavaScript HTML programmatic editor provides developers with a modern API to edit HTML programmatically. Quickly integrate HTML modification features into your software. Our library supports the modification of a variety of document formats in JavaScript.

The task of editing HTML programmatically in JavaScript is the task of modifying elements in the HTML document tree. It is also known as the 'DOM' - the programming model for interacting with HTML document elements and their properties.

Edit HTML in JavaScript

HTML modification features are inseparable from the advanced HTML search functionality. For a hig level of flexibility, our JavaScript library provides developers with HTML Regex-based search functionality. This approach expands the possibilities to edit text in HTML files, allowing the use of templates for dynamic HTML transformation.

Edit table in HTML using JavaScript

One of the most requested features is the dynamic creation and modification of tables in HTML documents. Working with tables is very convenient with JavaScript library: edit tables, update tables and extract table text using JavaScript.

The following example demostrates how to modify a HTML document in JavaScript:

Example in JavaScript to edit HTML files

Input file

Upload a document you want to modify

Run code

npm install @aspose/words

Copy

				
const aw = require('@aspose/words');

var doc = new aw.Document("Input.html")
var builder = new aw.DocumentBuilder(doc)

// Insert text at the beginning of the document.
builder.moveToDocumentStart()
builder.writeln("Morbi enim nunc faucibus a.")

doc.save("Output.html")

const aw = require('@aspose/words');

var doc = new aw.Document("Input.html")
var builder = new aw.DocumentBuilder(doc)

// Insert table at the beginning of the document.
builder.moveToDocumentStart()
builder.startTable()
builder.insertCell()
builder.write("Row 1, cell 1.")
builder.insertCell()
builder.write("Row 1, cell 2.")
builder.endTable()

doc.save("Output.html")

const aw = require('@aspose/words');

var doc = new aw.Document("Input.html")
var builder = new aw.DocumentBuilder(doc)

// Insert image at the beginning of the document.
builder.moveToDocumentStart()
builder.insertImage("Image.png")

doc.save("Output.html")

				Run code

You may freely copy this code and use it in any applicable purpose

How to edit HTML

Install HTML Editor for JavaScript.
Add a library reference (import the library) to your JavaScript project.
Open a HTML in JavaScript.
Insert content at the beginning of the HTML document.
Call the save() method, passing the name of the output file with the required extension.
Get the edited result.

JavaScript library to work with HTML files

We host our Node.js via .Net packages in NPM repositories. Please follow the step-by-step instructions on how to install "Aspose.Words for Node.js via .NET" to your developer environment.