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
2022-12-31 23:13:49
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