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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.

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