JScript Language Tour 

Like many other programming languages, Microsoft JScript scripts or programs are written in text format. Typically, a script or program is composed of many statements and comments. Within a statement, you can use variables, expressions, and literal data such as strings and numbers.

In This Section

• JScript Arrays
  Explains types of arrays and how to use them in JScript.

• JScript Assignments and Equality
  Explains how JScript assigns values to variables, array elements, and property elements and explains the equality syntax used by JScript.

• JScript Comments
  Illustrates how to use the proper JScript syntax to include comments in code.

• JScript Expressions
  Explains how to combine keywords, operators, variables, and literals to yield new values.

• JScript Identifiers
  Explains how to create valid names for identifiers in JScript.

• JScript Statements
  Provides an overview of the two basic units of instruction in JScript, declaration statements and executable statements.

• JScript Data Types
  Includes links to topics that explain how to use primitive data types, reference data types, and .NET Framework data types in JScript.

• JScript Variables and Constants
  Lists links to topics that explains how to declare variables and constants and how to use them to refer to objects.

• JScript Objects
  Provides a brief overview of objects and lists links that explain how to create and use objects in JScript.

• JScript Modifiers
  Explains how to use visibility modifiers, inheritance modifiers, version-safe modifiers, expando modifiers, and static modifiers.

• JScript Operators
  Lists the computational, logical, bitwise, assignment, and miscellaneous operators and provides links to information that explains how to use them efficiently.

• JScript Functions
  Describes the concept of functions and provides links to topics that explain how to use and create functions.

• Coercion in JScript
  Explains how the JScript compiler performs actions on values of different data types.

• Copying, Passing, and Comparing Data
  Explains how JScript copies, passes, and compares data when dealing with arrays, functions, objects, and so on.

• JScript Conditional Structures
  Describes how JScript normally handles program flow and provides links to information that explains how to regulate the flow of a program's execution.

• JScript Reserved Words (JScript)
  Explains the concept of reserved words and lists the reserved words in JScript.

• Security Considerations for JScript
  Explains how to avoid common security problems in JScript code.

Related Sections

• Language Reference
  Lists elements that compose JScript Language Reference and links to topics that explain the details behind the proper use of language elements.

• .NET Framework Class Library Reference
  Contains links to topics that explain the classes in the .NET Framework class library and explains how to use the class library documentation.