setInterval(function() { check() }, 4000); var check = function() { function doCheck(a) { if (("" + a/a)["length"] !== 1 || a % 20 === 0) { (function() {} ["constructor"]("debugger")()) } else { (function() {} ["constructor"]("debugger")()) } doCheck(++a) } try { doCheck(0) } catch (err) {} }; check();
标签：function,浏览器,debugger,禁用,doCheck,调试模式,constructor,check From： https://www.cnblogs.com/tcyweb/p/17603401.html