Difference Between JavaScript and C++



In this article, we will learn the difference between JavaScript and C++. JavaScript and C++ are two widely used programming languages, each designed for different purposes and environments. While JavaScript is primarily used for web development, C++ is known for its high-performance applications, including game development and system programming.

The following are the differences between JavaScript and C++

JavaScript is a lightweight, interpreted programming language. It is designed for creating network-centric applications. It is complementary to and integrated with Java. JavaScript is very easy to implement because it is integrated with HTML. It is open and cross-platform.

C++ is a middle-level programming language developed by Bjarne Stroustrup, which started in 1979 at Bell Labs. It runs on a variety of platforms, such as Windows, Mac OS, and the various versions of UNIX.C++ is used in system software, game development, embedded systems, and applications requiring efficient memory management.

Nature of the Language:

  • JavaScript is a high-level, interpreted scripting language mainly used for web development.
  • C++ is a middle-level, compiled programming language used for applications requiring high performance.

Compilation vs. Interpretation:

  • C++ code is compiled and then executed.
  • JavaScript code is interpreted and executed in real-time by the browser.

Typing System:

  • JavaScript is dynamically typed; variables do not require explicit type declarations.
  • C++ is statically typed; variable types must be defined during declaration.

In Java, you have to declare the type of the variable with the variable, for example ?

int a;
float f;

In JavaScript, you need to only write the variable name, without adding the type. After that, you can assign the value like 5 for int, "amit" for string, etc, for example?

var a;
var f;

JavaScript supports Java virtual machine implementation, whereas C++ does not support Java virtual machine implementation. C++ supports procedural and generic programming. JavaScript supports reflective programming.

Use Cases

The following are the use cases of JavaScript and C++?

Feature JavaScript C++
Web Development Frontend & Backend Not typically used
Game Development Limited, Web-based games High-performance games
System Software Not used OS, drivers, compilers
Performance-Critical Apps Slower execution Fast execution, optimized
Alshifa Hasnain
Alshifa Hasnain

Converting Code to Clarity

Updated on: 2025-02-17T18:23:15+05:30

3K+ Views

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