React Js Series for Beginners தமிழில் 23 : Function - Return Type & Non-Return type in Javascript

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In JavaScript, functions can be return type or non-return type depending on whether they give back a value after running.

A return type function is one that sends a value back after it runs. This value can be used in your program. For example, in function add(a, b) { return a + b; }, the add function gives back the sum of a and b. When you write let sum = add(2, 3);, the sum will be 5, which is the value returned by the function.

A non-return type function doesn’t give back any value. It just performs an action. For instance, in function greet() { console.log("Hello!"); }, the greet function only prints "Hello!" on the screen. When you call greet();, it runs, but there’s no value to store or use later.

In simple terms, a return type function gives you something back to use, while a non-return type function just does something without giving anything back.


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🕘Timestamps:
00:13 - Return type
02:36 - Assign Function to variable
04:50 - Return type in conditional statement
06:30 - Tried returning multiple values
09:10 - Non-return type

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