Write JavaScript for multiple browsers Because you don’t know what browser will be in use, you should make sure that any scripts that you use will work with all supported browsers. Most of the significant differences between Internet Explorer and other browser have to do with HTML and XML DO...
This section explores advanced Selenium techniques in Node.js, covering element location strategies, interaction methods, handling dynamic content with waits, and optimizing test execution with headless mode. Locating Elements Selenium provides several locators to identify web elements: By.id: Locates an ...
There are different techniques to handle this case which are explained below. Optional Handling In order to use value of an optional, it needs to be unwrapped. Better way to use optional value is by conditional unwrapping rather than force unwrapping using ! operator. This is because conditionall...
Also, it provides a better error handling mechanism in comparison to callbacks or events. JavaScript Promises offer a much better flow of control definition in asynchronous logic. In real life, a promise is made for the unpredictable future. Thus, it has only two possible outcomes – it will ...
CSS, to linting JavaScript files, to refreshing your browser automatically whenever a file is saved. To use a Gulp plugin, you first need to install it using npm, then requireit in your Gulpfile, and finally use it in a Gulp task. How do I handle errors in Gulp? Handling errors ...
Implementlazy loadingtechniques Reduce JavaScript where possible Test withChrome Dev ToolsandLighthouse performance tool /* Good performance */ .slide { transform: translateX(0); transition: transform 0.5s, opacity 0.5s; } /* Poor performance */ .slide { left: 0; transition: left 0.5s, opacit...
The flexible NLU support means that you can use the best AI techniques for the problem at hand. OpenDialog also features a no-code conversation designer that allows users to design and prototype conversations quickly. You can manage and future-proof your conversational AI strategy. The open-...
How User Agents work in web scraping. Ways to generate and use fake User Agents. How to rotate between different User Agents. Why User Agent management isn't enough by itself. Remember that websites use many techniques to detect bots. Integrate ZenRows to make sure you extract all the data...
. One of the chief techniques in functional programming happens to becallback functions. As you will read shortly, implementing callback functions is as easy as passing regular variables as arguments. This technique is so simple that I wonder why it is mostly covered in advanced JavaScript ...
Error Handling: Handle timeouts and errors. Ethical Use: Verify website’s terms before scraping. Is Python good for web scraping? Python is a strong contender for web scraping due to its dedicated libraries for the task. Python’s clear syntax simplifies code comprehension, aiding in quick lea...