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Data Processing in JavaScript

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by Abdul Rawoof A R dot icon Updated: Apr 1, 2023

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Data processing is nothing but occurs when the data is collected from the user and translated into usable information. It is usually performed by a data scientist or team of data scientists. It is more important for data processing to be done correctly and not negatively affect the end product or data result. 


Javascript is beneficial for processing a large amount of data sets to run simultaneously in parallel, and Node.js could be better for computational tasks or, say, terrible at handling CPU-intensive tasks where Python, Java, or Scala are far more appropriate than JavaScript. To create interactive and dynamic web content like applications and browsers, programmers worldwide use Javascript. JavaScript is more popular than it's the most used programming language in the world, and it is used as a client-side programming language by 97.0% of all websites. There are two different types of data processing are there. They are, 

  • Batch processing: it is used for large amounts of data and is collected and processed in batches. For example, Payroll System. 
  • Real-time processing: it is used for small amounts of data and processed within seconds when the inputs are given. For example, withdrawing money from ATM. 


Stages of data processing: 

  1. Data collection. 
  2. Data input. 
  3. Data processing. 
  4. Data output. 


Here is an example of how to process data in JavaScript:

Fig : Preview of the output that you will get on running this code from your IDE.

Code

Data Processing in JavaScript

JavaScriptdotLines of Code : 24dotLicense : Strong Copyleft (CC BY-SA 4.0)

const data = {
  "Airports": {
    "BCN": {
      "Arrivals": [
        { "flight": "BIO", "time": "1:00" , "passengers": 10}, 
        { "flight": "VGU", "time" : "2:00","passengers": 20 }, 
        {"flight": "MEX", "time": "3:00", "passengers": 30 } 
      ],
      "Departures": [
        { "flight": "BIO", "time": "1:00" }, 
        { "flight": "VGU", "time" : "2:00" }, 
        { "flight": "MEX", "time": "3:00" }
      ]
    }
  }
};

const times = ["0:00", "1:00", "2:00", "3:00"];

const result = Object.fromEntries(
  times.map(t => [t, data.Airports.BCN.Arrivals.filter(arr => arr.time === t)])
);

console.log(result);

Instructions

Follow the steps carefully to get the output easily.

  1. Install JavaScript ES6 code snippet and Code Runner from Extension on your IDE(We use Visual Studio Code).
  2. Copy the snippet using the 'copy' and create one new file filename.js(eg.test.js) then paste the code in that JavaScript file.
  3. Save the file and run the file using run button to generate the output.


I hope you found this useful.


I found this code snippet by searching for 'how to process data in javascript' in kandi. You can try any such use case!

Environment Tested

I tested this solution in the following versions. Be mindful of changes when working with other versions.

  1. The solution is created and tested in Visual Studio Code 1.74.1.
  2. JavaScript ES6 Code Snippet version v1.8.0.
  3. Code Runner version v0.11.8.


Using this solution, we are able to process data in javascript with simple steps. This process also facilities an easy way to use, hassle-free method to create a hands-on working version of code which would help us to process data in javascript.

Support

  1. For any support on kandi solution kits, please use the chat
  2. For further learning resources, visit the Open Weaver Community learning page.


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