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Welcome to the javaScript wiki!

Javascript:

Asyncrono y no bloqueante con un bucle de eventos implementado con un único hilo (concurrencia) para sus interfaces de I/O. (Input/Output)

• Interpreted language (in runtime will read line per line)

• • browser will make Just in Time Compile (JIT) Compilation stage
• • To make a tree
• • Interprete and improve code (like in 2 + '7' change string for number)
• • Compile that interpreted code in ByteCode

• Dynamic language (because run without compile like static languages like java)

• Weakly Typed (2 + '7'; // 27)

• OOP

• • but not class-based object-oriented, is Prototype-based

• Forwards (javascript not, because is backward) It is compatible with future versions

• Backward You can write code from previous versions without affecting the new code in new versiones.