Kunal bhade module4

[kunal15112001]

In module 4, I have implemented 4 problem statement in JavaScript and Node JS, along with this added screenshots and Unit testcases.

Problem Statement 1 : WebScrapper (count the words from webpages)
In this problem statement, I have use fs module to read the files, axios and cheerio for WebScrapping,

• axios to fetch the html data from
• webpages and cheerio to parse the data.

Problem Statement 2 : (search and sort the employee data in text file)
In this problem statement, I have use fs to perform the certain File operation such as Add
employee, Delete employee, Search and Sort employees.

Problem Statement 3: (Multithreading in JavaScript)
In this problem statement, I have use promises, async, await, async – lock, and setTimeout.

Problem Statement 4: (Serialization and Deserialization in JavaScript)
In this problem statement, I have use JSON.stringify() for serialization and JSON.parse() to
deserialize .ser file.