Legacy generator function
The legacy generator function is a SpiderMonkey-specific feature, and will be removed at some point. For future-facing usages, consider using
function*.The legacy generator function statement declares legacy generator functions with the specified parameters.
You can also define functions using the Function constructor with functionBody and at least one yield expression, and a legacy generator function expression.
Syntax
JavaScript
Copy Code
function name([param,[, param,[..., param]]]) {
[statements]
}
name- The function name.
param- 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
yieldexpression.
Description
An overview of the usage is available on the Iterators and Generators page.
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|
| Basic support | No support | (Yes) | No support | No support | No support |
| Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support | No support | No support | (Yes) | No support | No support | No support |
See also
Generator- The legacy generator function expression
- The legacy Iterator protocol
yield- Functions and function scope
functionfunction expressionFunctionfunction*function* expressionGeneratorFunction- The Iterator protocol
License
© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/javascript/reference/statements/legacy_generator_function