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function f() { console.log("f") }
f()
function f1(...args) { console.log(args) }
f1(1, 2, 3)
function f2() { }
console.log(f2())
function test01() { return 100 }
function test02() { return 200 }
function bar() { return x = test01(), y = test02() + x++, z = ++y
}
console.log(bar())
var f = function () { console.log("匿名函数") }
!function () { console.log("立即执行函数") }()
function outer() { var a = 1 function inner() { a++ console.log(a) } return inner }
const o1 = outer() const o2 = outer()
o1() o1()
o2()
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