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Conversion of Data in JavaScript

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by Abdul Rawoof A R dot icon Updated: Feb 25, 2023

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The process of translating data or information from one format to another is called Data conversion. While the concept itself may seem simple, data conversion is a critical step in the data integration process in JavaScript. 


Data Conversion is basically the conversion of computer data from one format to another. The data is encoded in a variety of ways throughout the computer environment. For example, computer hardware is built based on specific standards and principles, requiring data consistency. For example, the parity bit checks. Type conversion or typecasting is the transfer of data from one data type to another. Implicitly, the conversion happens when the compiler for compiled languages or runtime for script languages like JavaScript automatically converts to various data types. The source code can also explicitly require conversion to take place in implementation. Either implicitly or explicitly, the data types can be restored. Conversions are not visible to the user implicitly. The data from one data type to another by automatically SQL server. For example, when a smallint is compared to an int, then the smallint is implicitly converted to an int before the comparison proceeds. 


Here is an example of how to implement the conversion of data in JavaScript: 

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

Code

Conversion of data in javascript

JavaScriptdotLines of Code : 36dotLicense : Strong Copyleft (CC BY-SA 4.0)

    const data = [
      { country: "Afghanistan", region: "South Asia", year: 1960, value: 91.779 },
      { country: "Afghanistan", region: "South Asia", year: 1961, value: 91.492 },
      { country: "Afghanistan", region: "South Asia", year: 1962, value: 91.195 },
      { country: "Bangladesh", region: "South Asia", year: 1960, value: 94.865 },
      { country: "Bangladesh", region: "South Asia", year: 1961, value: 94.722 },
      { country: "Bangladesh", region: "South Asia", year: 1962, value: 94.502 },
      { country: "Canada", region: "North America", year: 1960, value: 30.939 },
      { country: "Canada", region: "North America", year: 1961, value: 30.332 },
      { country: "Canada", region: "North America", year: 1962, value: 29.506 },
    ];


    const transformation = data.reduce((acc, curr) => {
      const { country, region, year, value } = curr;
      if (!acc[region]) {
        acc[region] = [];
        acc[region].push([country, value]);
        return acc;
      }

      let isCountryExist = false;

      acc[region].forEach((el) => {
        if (el.includes(country)) {
          isCountryExist = true;
          el.push(value);
        }
      });
      if (!isCountryExist) {
        acc[region].push([country, value]);
      }
      return acc;
    }, {});

    console.log(transformation);

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 implement conversion of 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 implement conversion of 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 implement conversion of data in javascript.

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