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function f1(a, aIs, // without default parameter
b=()=>62, bIs, // with default parameter
// before function body
c=(assertEq(a(), aIs), assertEq(b(), bIs),
()=>63),
cIs) {
// before function declarations
assertEq(a(), 52);
assertEq(b(), 53);
assertEq(c(), 55);
function a() {
return 52;
}
function c() {
return 54;
}
function g() {
// close here
assertEq(a(), 52); // after function declaration
assertEq(b(), 53); // before function declaration
assertEq(c(), 55); // before last function declaration
}
// function declaration after closed
function b() {
return 53;
}
assertEq(a(), 52); // after function declaration
assertEq(b(), 53); // after function declaration
assertEq(c(), 55); // before last function declaration
g();
c = ()=>72;
assertEq(c(), 72); // after assignment in body
h();
assertEq(c(), 82); // after assignment in closed function
function h() {
assertEq(c(), 72); // after assignment in body
c = ()=>82;
assertEq(c(), 82); // after assignment in closed function
}
// function re-declaration after closed and assignment
function c() {
return 55;
}
}
f1(()=>42, 42, undefined, 62, undefined, 63);
f1(()=>42, 42, undefined, 62, ()=>44, 44);
f1(()=>42, 42, ()=>43, 43, undefined, 63);
f1(()=>42, 42, ()=>43, 43, ()=>44, 44);
function f2(a, aIs,
// call before body
b=(function() { assertEq(a(), aIs); })(),
// a inside body not accessible from defaults
c=function() { assertEq(a(), 42); }) {
function a() {
return 52;
}
function g() {
// close here
assertEq(a(), 52);
}
assertEq(a(), 52);
g();
c();
}
f2(()=>42, 42);
function f3(a, aIs,
// call before body
// close here
b=(function() { assertEq(a(), aIs); })(),
// a inside body not accessible from defaults
c=function() { assertEq(a(), 42); }) {
function a() {
return 52;
}
assertEq(a(), 52);
c();
}
f3(()=>42, 42);
function f4(a,
// assignment before body
b=a=()=>62,
c=(assertEq(a(), 62)),
e=(assertEq(a(), 62))) {
function a() {
return 52;
}
function g() {
// close here
assertEq(a(), 52);
}
assertEq(a(), 52);
g();
}
f4(()=>42);
function f5(a, b, c, d) {
// before var/function declarations
assertEq(a(), 52);
assertEq(b(), 53);
assertEq(c(), 54);
assertEq(d(), 55);
function g() {
// before var/function declarations, called after var declarations
// close here
assertEq(a(), 52);
assertEq(b(), 63);
assertEq(c(), 54);
assertEq(d(), 65);
}
var a, b = ()=>63;
var c, d = ()=>65;
// after var declarations, before function declarations
assertEq(a(), 52);
assertEq(b(), 63);
assertEq(c(), 54);
assertEq(d(), 65);
function h() {
// after var declarations, before function declarations
assertEq(a(), 52);
assertEq(b(), 63);
assertEq(c(), 54);
assertEq(d(), 65);
}
function a() {
return 52;
}
function b() {
return 53;
}
function c() {
return 54;
}
function d() {
return 55;
}
function i() {
// after var/function declarations
assertEq(a(), 52);
assertEq(b(), 63);
assertEq(c(), 54);
assertEq(d(), 65);
}
// after var/function declarations
assertEq(a(), 52);
assertEq(b(), 63);
assertEq(c(), 54);
assertEq(d(), 65);
g();
h();
i();
}
f5(()=>42, ()=>43, ()=>44, ()=>45);