How to use this tool?

This free online converter lets you convert code from COBOL to JavaScript in a click of a button. To use this converter, take the following steps -

  1. Type or paste your COBOL code in the input box.
  2. Click the convert button.
  3. The resulting JavaScript code from the conversion will be displayed in the output box.

Examples

The following are examples of code conversion from COBOL to JavaScript using this converter. Note that you may not always get the same code since it is generated by an AI language model which is not 100% deterministic and gets updated from time to time.

Example 1 - Is String Palindrome

Program that checks if a string is a palindrome or not.

COBOL

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JavaScript

Example 2 - Even or Odd

A well commented function to check if a number if odd or even.

COBOL

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JavaScript

Key differences between COBOL and JavaScript

CharacteristicCOBOLJavaScript
SyntaxCOBOL has a verbose and English-like syntax.JavaScript has a more concise and C-like syntax.
ParadigmCOBOL is primarily procedural and imperative.JavaScript is a multi-paradigm language, supporting procedural, object-oriented, and functional programming.
TypingCOBOL is statically typed.JavaScript is dynamically typed.
PerformanceCOBOL is known for its efficiency and performance in handling large-scale business applications.JavaScript is generally faster for web-based applications but may not be as efficient for certain types of computations.
Libraries and frameworksCOBOL has a limited number of libraries and frameworks available compared to JavaScript.JavaScript has a vast ecosystem of libraries and frameworks for various purposes.
Community and supportCOBOL has a smaller and more specialized community compared to JavaScript.JavaScript has a large and active community with extensive support resources.
Learning curveCOBOL has a steeper learning curve due to its verbose syntax and specialized use cases.JavaScript has a relatively easier learning curve, especially for beginners, due to its popularity and extensive learning resources.