Isbn: 9798188720315 - the weekend build: web scraping crash course: extract data, build bookmarklets, and auto-download csvs in one weekend (4 Ergebnisse)

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Paperback. Zustand: new. Paperback. You need data from a website. You search for a tutorial on web scraping, and suddenly you're told to install Python, configure Node.js, download Puppeteer, and set up a server.You don't want to become a backend engineer. You just want the data in a spreadsheet. What if you could scrape a website using the browser you're already using right now - without ever wondering whether you're allowed to? This book skips the servers, the installations, and the monthly fees. Over one weekend, you'll turn the Google Chrome browser you already have open into a focused, automated data-extraction tool - using nothing but Vanilla JavaScript typed straight into the console.Every exercise runs against a real, live product catalog built specifically for scraping practice, so you're never left guessing whether a technique is allowed - you're free to focus entirely on the code. By Saturday, you'll be writing scripts directly in Chrome's Console to pull text, image URLs, and prices from a live product grid. By Sunday, you'll decode star ratings hidden inside CSS class names, format everything as a real CSV file, trigger the download automatically with a Blob, and package the entire script into a "Bookmarklet" - a single button on your bookmarks bar that scrapes the page and hands you a spreadsheet with one click. What You'll Walk Away WithA working knowledge of Chrome Developer Tools and the ConsoleA trick for decoding data that isn't visible text at all - like a star rating hidden inside a CSS class nameThe exact code needed to turn a JavaScript array into a valid, properly-quoted CSV stringThe technique for triggering an automatic file download from the browser using Blob URLsA finished, 1-click Bookmarklet that scrapes a live product catalog and hands you a ready-to-open spreadsheet This Book Is for You If.You're a frontend developer who wants hands-on DOM and Console practice tied to a real deliverableYou're a marketer, researcher, or analyst who needs website data without learning backend codingYou've tried to learn scraping before but gave up during the Python/Node.js environment setupYou've hesitated to try scraping because you weren't sure what's actually allowedYou have one free weekend and want a tool you can actually use at work on Monday morning Prerequisites: What You Need to Know Before ReadingYou do NOT need Node.js, Python, or any scraping library. However, to get the most out of this crash course, you should be comfortable with: Basic HTML (tags, classes, IDs)Basic JavaScript (variables, arrays, functions, and simple loops)If you've never written a line of JavaScript before, take a quick beginner's syntax course first - this book builds a project, it doesn't teach the language from zero. What Makes This Book DifferentZero Installations: We write 100% of the code inside Chrome Developer Tools.Instant Feedback: You see the exact data you just extracted, on the exact page you're looking at.Highly Practical: Every chapter is a building block toward one final goal - a 1-click CSV download.Honestly Scoped: This volume focuses on static pages so the "one weekend" promise stays true; dynamic, JavaScript-rendered sites get their own dedicated volume next.Stop copying and pasting data by hand, and stop being told you need a server - or a legal gamble - just to read a web page. This book turns the basic JavaScript you already know into a real automation skill in a single weekend.Scroll to the top of this page and click Buy Now. By Sunday night, you'll have your own custom Bookmarklet, ready to scrape data with a single click. This item is printed Shipping may be from our UK warehouse or from our Australian or US warehouses, depending on stock availability. …

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