JScript Statements (JScript 5.6) 

The following table lists JScript statements.

Statements

Description	Language Element
Terminates the current loop, or if in conjunction with a label, terminates the associated statement.	break Statement
Contains statements to execute when an error occurs in code within the try block.	catch Statement
Activates conditional compilation support.	@cc_on Statement
Causes single-line comments to be ignored by the JScript parser.	// (Single-line Comment Statement)
Causes multiline comments to be ignored by the JScript parser.	/*..*/ (Multiline Comment Statement)
Stops the current iteration of a loop, and starts a new iteration.	continue Statement
Starts the debugger.	debugger Statement
Executes a statement block once, and then repeats execution of the loop until a condition expression evaluates to false.	do...while Statement
Executes a block of statements for as long as a specified condition is true.	for Statement
Executes one or more statements for each element of an object or array.	for...in Statement
Declares a new function.	function Statement
Conditionally executes a group of statements, depending on the value of an expression.	@if Statement
Conditionally executes a group of statements, depending on the value of an expression.	if...else Statement
Provides an identifier for a statement.	Labeled Statement
Exits from the current function and returns a value from that function.	return Statement
Creates variables used with conditional compilation statements.	@set Statement
Enables the execution of one or more statements when a specified expression's value matches a label.	switch Statement
Refers to the current object.	this Statement
Generates an error condition that can be handled by a try...catch statement.	throw Statement
Implements error handling for JScript.	try Statement
Declares a variable.	var Statement
Executes a statement until a specified condition is false.	while Statement
Establishes the default object for a statement.	with Statement