as described in the question, how to implement
in each languagehas been reported to the Shoushou Party! It is said that the hand-holding party or the problem is too stupid, but it does not explain the specific reason?
as described in the question, how to implement
in each languagehas been reported to the Shoushou Party! It is said that the hand-holding party or the problem is too stupid, but it does not explain the specific reason?
PHP can be obtained using debug_backtrace .
javascript：
class Foo {
a() {
console.log('call func b');
this.b();
}
b() {
console.log(this.a.name);
}
} 1:
class Foo {
function a(){
var name = '';
b(name);
}
function b(var name){
console.log(name);
}}
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