Legacy generator function expression

The function keyword can be used to define a legacy generator function inside an expression. To make the function a legacy generator, the function body should contain at least one yield expression.

Syntax

function [name]([param1[, param2[, ..., paramN]]]) {
   statements
}

Parameters

name

The function name. Can be omitted, in which case the function is anonymous. The name is only local to the function body.

paramN

The name of an argument to be passed to the function. A function can have up to 255 arguments.

statements

The statements which comprise the body of the function. This should contain at least one yield expression.

Description

An overview of the usage is available on the Iterators and Generators page.

Browser compatibility

See also

• Generator
• The legacy generator function
• The legacy Iterator protocol
• yield
• Functions and function scope
• function
• function expression
• Function
• function*
• function* expression
• GeneratorFunction
• The Iterator protocol