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.
Nah, I took a third path - looking for alternatives to JSDOM... And I found it - happy-dom. - Source: dev.to / 22 days ago
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 / 4 months ago
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 / 6 months ago
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 / 11 months ago
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
Readability.js requires a DOM object to parse the readable content from a website. That's why we create a DOM object with JSDOM and provide the HTML from the page and its current URL. By the way, the browser may have had to follow HTTP redirects, so the current URL doesn't necessarily have to be the one we provided initially. The parse function of the library returns the following result:. - Source: dev.to / over 1 year ago
Web scraping, while immensely useful, often requires developers to navigate a sea of tools and libraries, each with its own quirks and intricacies. Whether it's JSDOM, Cheerio, Playwright, or even just plain old vanilla JS in the DevTools console, moving between these platforms can be a challenge. - Source: dev.to / over 1 year ago
The code uses jSDom to render the app but I was wondering if it's possible to run the app without the UI to be able to use a library like that to generate the string from react element. Source: almost 2 years ago
JSDOM as the DOM environment for running our tests. - Source: dev.to / almost 2 years ago
JSDom is a JavaScript implementation of the DOM and browser APIs that runs in Node.js. Jest uses JSDom to create a mock DOM for your tests, allowing you to test components and hooks that interact with the DOM. - Source: dev.to / almost 2 years ago
I am using jsdom to run a simulation. This simulation needs to communicate through a websocket with a Python server I have. I am using websocket client. My problem is that I need to immediately block the simulation at certain points until I have received a message from the server through the websocket, and then continue synchronously from where the simulation was blocked. The websocket client and the jsdom threads... Source: about 2 years ago
In my blogposts.js data file I added the following function (utilizing jsdom) that. - Source: dev.to / about 2 years ago
But then I realized that I should probably will need to use jsDOM. This is the library that can be used in nodejs to mock the DOM. This is what jest testing framework is using and this is what I was using to test jQuery Terminal library in Jasmine before jest was created. - Source: dev.to / over 2 years ago
The npm package axios helps with getting the HTML from the URL, then you have to parse the raw HTML to a DOM with something like jsdom or, cheerio (jQuery syntax). Source: over 2 years ago
The Cypress Test Runner is browser-based, which allows you to test-drive your component’s styles and API in an isolated way that you do not get with headless unit testing via a jsdom. - Source: dev.to / over 2 years ago
JSDOM is a pure JS implementation of web standards like DOM and HTML for Node.js. When used with Enzyme, JSDOM emulates the DOM manipulation environment for Enzyme. But there are some limitations like no navigation and layout. JSDOM will return 0 when using layout related functions like getBoundingClientRects and properties like offsetTop . - Source: dev.to / almost 3 years ago
Jsdom: To mimic the browser while running tests. - Source: dev.to / almost 3 years ago
This project is very interesting. It actually solves the problem of excess CSS the best; it does so by loading your HTML into jsdom, and then querySelector-ing all of the selectors found in your CSS against the emulated DOM. If a selector isn't found in the emulated DOM, UnCSS will not include the CSS rule in its output. - Source: dev.to / about 3 years ago
You should probably add a section to the README explaining why this is useful compared to the alternatives. For example, DOMParser which is built into a web browser, or JSDOM which is the most popular and comprehensive Node in-memory DOM implementation. Source: about 3 years ago
Everything you want to do to your test environment such as extends the jest matchers with @testing-library/jest-dom, mock some APIs that’s not implemented in jdom, you can put to config/jest/setupTests.js:. - Source: dev.to / about 3 years ago
You may have heard of vite, the slim fast dev server that scored an amazing as deserved 98% satisfaction on the state of js survey 2021. It's creators found unit testing too cumbersome and slow and decided to add their own perspective to the task. The result is vitest: it runs a vite server under the hood to transform the code to test as fast as possible, uses an enhanced flavor of chai to have jest-compatible... - Source: dev.to / about 3 years ago
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