statements

Summary

The following table lists JavaScript statements.

Description	Language Element
break	Terminates the current loop, or if in conjunction with a label , terminates the associated statement.
Comment	Causes comments to be ignored by the JavaScript parser.
continue	Stops the current iteration of a loop, and starts a new iteration.
debugger	Starts the debugger.
do…while	Executes a statement block once, and then repeats execution of the loop until a condition expression evaluates to false.
for	Executes a block of statements for as long as a specified condition is true.
for…in	Executes one or more statements for each element of an object or array.
function	Declares a new function.
if…else	Conditionally executes a group of statements, depending on the value of an expression.
Labeled	Provides an identifier for a statement.
return	Exits from the current function and returns a value from that function.
switch	Enables the execution of one or more statements when a specified expression’s value matches a label.
this	Refers to the current object.
throw	Generates an error condition that can be handled by a try…catch statement.
try-catch-finally	Implements error handling for JavaScript.
var	Declares a variable.
while	Executes a statement until a specified condition is false.
with	Establishes the default object for a statement.