函数调用栈
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function A(){
console.log("A start")
B();
console.log("A end")
}
function B(){
console.log("B start")
C();
console.log("B end")
}
function C(){
console.log("C start")
D();
console.log("C end")
}
function D(){
console.log("D start")
console.log("D end")
}
// 函数调用栈
A();
JavaScript
INFO