Returns true if object is a Number (including NaN).
返回true,如果是数字类型,包括NAN
1 _.isNumber = function(obj) {2 return toString.call(obj) == '[object Number]';3 };
源码:
1 _.isNumber = function(obj) {2 return toString.call(obj) == '[object Number]';3 };
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Returns true if object is a Number (including NaN).
返回true,如果是数字类型,包括NAN
1 _.isNumber = function(obj) {2 return toString.call(obj) == '[object Number]';3 };
源码:
1 _.isNumber = function(obj) {2 return toString.call(obj) == '[object Number]';3 };
转载于:https://www.cnblogs.com/himan/archive/2012/04/16/2452901.html