Source code
Revision control
Copy as Markdown
Other Tools
// This file was procedurally generated from the following sources:
// - src/annex-b-fns/func-skip-param.case
// - src/annex-b-fns/func/if-stmt-else-decl.template
/*---
description: Extension not observed when there is a formal parameter with the same name (IfStatement with a declaration in the second statement position in function scope)
esid: sec-functiondeclarations-in-ifstatement-statement-clauses
flags: [generated, noStrict]
info: |
The following rules for IfStatement augment those in 13.6:
IfStatement[Yield, Return]:
if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] else Statement[?Yield, ?Return]
if ( Expression[In, ?Yield] ) Statement[?Yield, ?Return] else FunctionDeclaration[?Yield]
if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] else FunctionDeclaration[?Yield]
if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield]
B.3.3.1 Changes to FunctionDeclarationInstantiation
[...]
ii. If replacing the FunctionDeclaration f with a VariableStatement that
has F as a BindingIdentifier would not produce any Early Errors for
func and F is not an element of BoundNames of argumentsList, then
[...]
---*/
var init, after;
(function(f) {
init = f;
if (false) ; else function f() { }
after = f;
}(123));
assert.sameValue(init, 123, 'binding is not initialized to `undefined`');
assert.sameValue(after, 123, 'value is not updated following evaluation');
reportCompare(0, 0);