aiyuechuang 定位具有检测函数自身的代码
window.toString_sys = Function.prototype.toString;
Function.prototype.toString = function() {
debugger
return window.toString_sys.call(this)
}
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window.toString_sys = Function.prototype.toString;
Function.prototype.toString = function() {
debugger
return window.toString_sys.call(this)
}