Basic understanding of functions in Javascript | Mastering of Web development #javascript #js

Summary
This video introduces the basic concept of functions in JavaScript, explaining their purpose, how to define and call them, and the scope of variables within functions.

Highlights
- 🤖 **Functions are blocks of code that perform specific tasks.** They are reusable, meaning you can define them once and call them multiple times.
- 📑 **Defining a function uses the `function` keyword, followed by the function name, parentheses, and curly braces containing the code to be executed.** The function name follows the same naming conventions as variables.
- 📞 **To execute a function, you call it by using its name followed by parentheses.**
- 🔒 **Variables declared within a function are scoped to that function and cannot be accessed outside of it.**
- 🌎 **Variables declared globally, outside of any function, can be accessed by any function within the script.**

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