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Comments in programming languages are used to document the programs. Comments are non-executable and are used to explain the code written in the program.  Different programming languages have different syntaxes for writing the comments in the program. Let’s have a look at a few of them.

 

HTML and XML

 

<!-- HTML Comment, works inside body and head tag -->

 

<!-- 

HTML Comment, 

works inside body and head tag

 -->



CSS and JavaScript

 

/*
    This
    is
    multiline
    comment

*/



/*  This is the Single line comment  */




Javascript, JAVA, PHP, Kotlin, TypeScript, Scala, Rust and C, C#, C++

 

/*
    This
    is
    multiline
    comment

*/



 // This is the Single line comment.



SQL

-- This is the Single line comment.

 

 

Python, Ruby, Elixir, and R

# This is the Single line comment.