Comparing JavaScript, PHP and Perl
General: How It Works
Errors and Debugging
Case Sensitivity
Comments
Identifiers
Variables
Data Types: Primitives
Data Types: Conversions
Operators and Expressions: Math
Operators and Expressions: Control
Operators and Expressions: Miscellaneous
Statements: Assignment
Statements: Control
Data Types: Arrays
Data Types: Strings
Data Types: Objects
Input/Output
Functions and Parameters
Pattern Matching