CAP Theorem stands for Consistency, Availability and Partition Tolerance. It was proposed by Eric Brewer in 1999. It is the basis theorem for distributed databases.

CAP theorem is a concept that distributed database systems can ONLY have 2 of the 3 concepts. …


  • ES5 stands for ECMA Script 5.
  • ES6 stands for ECMA Script 6.
  • ECMA is a scripting language used to standardize JavaScript and used for client-side scripting for websites.

Data Types

  • ES5: Supports data types, such as string, number, Boolean, null and undefined.
  • ES6: Introduced SYMBOL for unique values.

Arrow Function

  • ES5: Both functions and…

Marika Lam

👩‍💻 Software engineer 📍Bay Area

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