Comment Syntax

程式的註解語法(Comment Syntax) << Testing

B: Bash shell

Bash (Unix shell)

# single line comment

C: CSS

CSS Code: viewable when user view the HTML source code

/* multiple lines
comments
*/

Conditional Comments for IE

D: DOS

DOS Command Code:

REM [comment]
ex: REM single line comment

H: HTML

HTML Code: viewable when user view the HTML source code

<!-- This is an HTML Comment -->

<!-- multiple 
lines -->

J: Javascript, JSP

Javascript Code: viewable when user view the HTML source code

//single line comment

/* multiple 
lines
*/

JSP

//single line comment

/* multiple 
lines
*/

P: Perl, PHP, Python

Perl Code:

#single line comment

PHP Code: not viewable when user view the HTML source code

# single line comment
// another single line comment

/* multiple 
lines
*/

php.ini

; single line comment

Python: The IPython Notebook

# single line comment

'''
This is the multiline
comments.
'''

S: SIKULI, SQL

SIKULI Code: (multiple line comment is no supported[1])

#single line comment

SQL Command / MySQL 5.1 Comment Syntax:

-- single line comment

/* multiple 
lines
*/

V: VBScript

VBScript Coding Conventions, VBScript Tutorial - Operators

' single line comment

X: XML

XML Code :

<!--
	multiple lines
-->

References

further reading

• 五種應該避免的代碼注釋 - 陳皓專欄(簡體)
• Comment (computer programming) - Wikipedia, the free encyclopedia