Learn web scraping with Puppeteer, covering setup, navigation, data extraction, advanced techniques, and storing data in formats like JSON or CSV to enhance your career opportunities.

Complete Practical Guide on Web Scraping with Javascript-01 (1).png

puppeteer_mysql_mongodb.tar.gz

puppeteer

puppeteer-copy

puppeteer-copy-install-packages

puppeteer-gui

puppeteer-mysql-install-packages

puppeteer-mongodb-install-packages

Puppeteer is a Node.js library for automating web browsers and extracting data from websites. In this course, you’ll learn how to harness the full potential of Puppeteer to scrape data from the web efficiently and effectively. 

You’ll start with an introduction to web scraping, covering the basics and its applications. Next, you’ll delve into Puppeteer fundamentals, including setup, web page navigation, and data extraction using selectors. Advanced concepts like handling pagination, scrolling, and authentication for dynamic websites will be explored. You’ll also learn how to store scraped data in various formats, including JSON and CSV, and best practices for web scraping. Finally, you’ll explore the future directions of web scraping.

By the end of this course, you’ll be able to apply your web scraping skills to gather data for analysis, research, or automation purposes, opening up new opportunities in your career.

Web Scraping with Puppeteer

ID,Name,Email,Phone
1,John Doe,johndoe@example.com,555-1234
2,Jane Smith,janesmith@example.com,555-5678
3,Robert Johnson,robertjohnson@example.com,555-1357
4,Lisa Davis,lisadavis@example.com,555-1739 

import React from 'react';
import { shallow, configure } from 'enzyme';
import Adapter from 'enzyme-adapter-react-16';

configure({ adapter: new Adapter() });

import HelloWorld from './app';

var TestResult = function() {
    this.succeeded = false;
    this.reason = "";
    this.input = "";
    this.expected_output = "";
    this.actual_output = "";
}

export const executeTests = function() {

  var results = [];

  result = new TestResult();
  result.input = 'HelloWorld Component';
  result.expected_output = "span containing text 'Hello World'"

  let wrapper = shallow(<HelloWorld />);

  // Call your Challenge function here.

  let type = wrapper.type();
  let testSuccessful = true;
  let failureReason;

  if (type !== 'span') {
    testSuccessful = false;
    failureReason = "You need to render exactly one span HTML element";
  } else if (wrapper.props().children != "Hello World") {
     testSuccessful = false;
     failureReason = "You have rendered wrong message in your span element";
  }

  result.actual_output = wrapper.html();

  if (testSuccessful) {
    result.succeeded = true;
    result.reason = "Succeeded"
  } else {
    result.succeeded = false;
    result.reason = failureReason;
  }

  results.push(result);

  return results;
}


React

Dart

GoJS React

Typescript React

Vue.js

Visualization of a CSV File in a Spreadsheet Software (Excel)

align-center

Learn when to use the CSV format and how to export data scraped with Puppeteer to a CSV file.

Introduction

Introduction to Web Scraping

Puppeteer Fundamentals

Advanced Concepts

Storing Scraped Data

Scraping a Book Store

Best Practices for Web Scraping

Conclusion

Headless Web Scraping Using Puppeteer

Store Scraped Data in CSV Format

CSV overview

Visualization of a CSV File in a Spreadsheet Software (Excel)

When to use CSV

ID	Name	Email	Phone
1	John Doe	johndoe@example.com	555-1234
2	Jane Smith	janesmith@example.com	555-5678
3	Robert Johnson	robertjohnson@example.com	555-9012
4	Lisa Davis	lisadavis@example.com	555-3456