Before you write code to parse the content you want, you telegram philippines girl usually need to take a look at the HTML that the browser renders. Every web page is different, and sometimes extracting the right data requires a bit of creativity, pattern recognition, and experimentation. Most modern browsers provide you with useful developer tools. If you right-click on the element you are interested in, you can inspect the HTML code behind that element to learn more. inspecting elements in the browser Often, you'll also need to filter for specific content. This is often done by using CSS selectors (which you'll see in the code examples in this tutorial) to gather HTML elements that match a specific criteria.
Regular expressions are also very useful in many web scraping situations. Additionally, if you need a little more granularity, you can write functions to filter the content of elements, like the one below to determine if a hyperlink tag references a MIDI file: JavaScript Copy the code const isMidi = (link) => { // renvoie false si l'attribut href n'est pas présent if(typeof link.href === 'undefined') { return false } return link.href.includes('.mid'); }; Note: Many sites prohibit web scraping in their terms of use, so always remember to check this point beforehand. On that note, let’s get to the heart of the matter! jsdom jsdom is a pure-JavaScript implementation of many web standards for Node.