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jsdom VS html2canvas

Compare jsdom VS html2canvas and see what are their differences

jsdom logo jsdom

A JavaScript implementation of various web standards, for use with Node.js - jsdom/jsdom

html2canvas logo html2canvas

JavaScript library to take "screenshots" of webpages or parts of it, directly on the...
  • jsdom Landing page
    Landing page //
    2023-08-29
  • html2canvas Landing page
    Landing page //
    2019-09-15

jsdom features and specs

  • Browser-like Environment
    jsdom provides a virtual representation of the browser's DOM environment, which allows developers to run scripts that usually require a browser.
  • Node.js Integration
    Being a Node.js library, jsdom can be easily integrated into server-side applications, enabling server-side DOM manipulation.
  • Testing Facilitation
    jsdom is commonly used in testing frameworks to simulate browser environments, allowing for headless testing of front-end code.
  • Standard-compliant
    jsdom strives to be compliant with web standards, which ensures consistent behavior with real browser environments.
  • Rich API
    It provides a rich set of APIs that mimic the browser DOM, making it comprehensive for developers needing browser-like functionality.

Possible disadvantages of jsdom

  • Performance Overhead
    jsdom can be slower than real browser environments because it runs in Node.js and not in a optimized browser engine.
  • Limited Browser Features
    While jsdom supports many DOM features, it might not support all the modern APIs and features available in the latest browsers.
  • Resource Intensive
    Running multiple jsdom instances can be resource-intensive, which may not be ideal for applications with large-scale DOM manipulation.
  • JavaScript Only
    Being specific to JavaScript and Node.js, jsdom is not suitable for developers working primarily in other programming environments.
  • Complexity in Setup
    Setting up and configuring jsdom for specific use cases can be more complex compared to some alternatives, requiring more effort from the developer.

html2canvas features and specs

  • Client-Side Rendering
    html2canvas is a client-side library that can capture screenshots of web pages without requiring server-side processing, making it easy to integrate into web applications.
  • Open-Source
    Being open-source, developers have access to the source code, allowing them to modify and contribute to the project, ensuring transparency and community-driven improvements.
  • Ease of Use
    It provides a straightforward API, making it accessible for developers to quickly implement and use the library to capture screenshots.
  • Cross-Browser Support
    The library aims to support multiple browsers, enhancing its usability across different user platforms.

Possible disadvantages of html2canvas

  • Rendering Limitations
    html2canvas may not fully support all CSS properties or web elements, leading to inaccurate or incomplete screenshots in some cases.
  • Performance Overheads
    As a JavaScript library running in the browser, it may lead to increased CPU and memory usage, especially for large or complex web pages.
  • Security Concerns
    Rendering content on the client side may expose sensitive information within the page during the rendering process, posing security risks if not handled carefully.
  • Lack of Dynamic Content Handling
    Dynamic content like videos, animations, or elements with JavaScript-based changes during rendering might not be accurately captured.

jsdom videos

JSDom & Enzyme: Different Test Styles for React Apps - Dan La Feir @ ReactNYC

More videos:

  • Review - Frontend Pairing - Discovering missing JSDOM APIs that didn’t allow to test Toast UI in jest

html2canvas videos

No html2canvas videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to jsdom and html2canvas)
Automated Testing
58 58%
42% 42
Browser Testing
44 44%
56% 56
Development
41 41%
59% 59
Testing
100 100%
0% 0

User comments

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Social recommendations and mentions

Based on our record, jsdom should be more popular than html2canvas. It has been mentiond 32 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

jsdom mentions (32)

  • Proton: Pluggable SSR + DOM | Or How I implemented better SSR from scratch
    Nah, I took a third path - looking for alternatives to JSDOM... And I found it - happy-dom. - Source: dev.to / 2 months ago
  • The Future of Htmx
    We do have pseudo-browsers written in pure js that you can theoretically use: https://github.com/jsdom/jsdom but they're about as reliable as you can expect: it's difficult to keep up the pace with the big three (or two) on standards compliance, and they usually don't even try. So the only reliable solution is a headless Chromium, Firefox, and/or WebKit-based noname browser like the sibling says.... - Source: Hacker News / 5 months ago
  • Go-DOM - A headless browser written in Go.
    Internally the test starts an HTTP server. Because the this runs in the test process, mocking and stubbing of business logic is possible. The test use jsdom to communicate with the HTTP server; which both parse the HTML response into a DOM, but also executes client-side script in a sandbox which has been initialised, e.g. With window as the global scope.3. - Source: dev.to / 7 months ago
  • Excluding Dependencies: Bundling for Node and the Browser
    For example, I needed to parse an HTML string into a DOM Document. The browser already supports the DOMParser class, which is, unfortunately, not available in Node.js. Here, I have to fall back on JSDOM, which also exposes this class. - Source: dev.to / about 1 year ago
  • Migrating from Jest to Vitest for your React Application
    If you happen to be using React Testing Library in your project, you'll need to keep the jsdom dev dependency installed. - Source: dev.to / over 1 year ago
View more

html2canvas mentions (17)

  • Gist Share
    So I went to trusty html2canvas It works really well with some caveats; which I hit. It does not render SVG backgrounds well, or complicated CSS3 gradients. To hack this I basically append a png background if screenshot is occurring, this happens only if the og:image hasn't been created/uploaded before. - Source: dev.to / 5 days ago
  • Build a Finance Tracker with Next.js, Strapi, and Chartjs: Part 3
    We'll use three libraries - html-to-pdfmake, pdfmake and html2canvas for the printing functionality. - Source: dev.to / 11 months ago
  • Build a Finance Tracker with Next.js, Strapi, and Chartjs: Part 1
    Html2canvas to take screenshots of the webpage directly on the browser. - Source: dev.to / 11 months ago
  • This weird IFRAME thing wasted my 2 days (and counting...)
    My new approach: Whenever user will open the preview and it would load completely, I will take a screenshot programatically using html2canvas library and later store in the db. I wrote code and it worked as I thought except for one part. Everything was fine in the screenshot, except the preview part. IT WAS BLANK, LIKE COMPLETELY BLANK. Oh my god! How is this possible? What on earth is wrong that every solution I... - Source: dev.to / 11 months ago
  • A Firefox-Only Minimap
    That's slightly harder, but still possible by first rendering the HTML onto a canvas. Example here: http://html2canvas.hertzen.com/. - Source: Hacker News / almost 2 years ago
View more

What are some alternatives?

When comparing jsdom and html2canvas, you can also consider the following products

Cypress.io - Slow, difficult and unreliable testing for anything that runs in a browser. Install Cypress in seconds and take the pain out of front-end testing.

puppeteer - Puppeteer is a Node library which provides a high-level API to control headless Chrome or Chromium...

Html Screen Capture JS - Html Screen Capture JS is an open-source, lightweight, and fully customizable javascript/typescript library that captures a complete layout or a few areas of a layout and saves it in a mini HTML file for the user.

DOM to Image - JavaScript library to generate an image from a DOM node using HTML5 canvas.

RasterizeHTML.js - Renders HTML into the browser's canvas.

BackstopJS - BackstopJS is an open-source tool that allows the user to capture screenshots of a complete webpage or only specific areas of the webpage.