项目中发现,javascript 用foreach会比for多出两个undefined,
//会多两个undefined for (var i in _SysFunctions_S) {} //正常 $(_SysFunctions_S).each(function(index, i) { });
查到一下资料
http://segmentfault.com/q/1010000000140735
2022-06-22 14:12:40
项目中发现,javascript 用foreach会比for多出两个undefined,
//会多两个undefined for (var i in _SysFunctions_S) {} //正常 $(_SysFunctions_S).each(function(index, i) { });
查到一下资料
http://segmentfault.com/q/1010000000140735
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