摘要： 接着第一课，我们看下collection函数集中剩下的几个 // Invoke a method (with arguments) on every item in a collection. _.invoke = function(obj, method) { var args = slice.call(arguments, 2); return _.map(obj, function(value) { return (method.call ? method || value : value[method]).apply(value, args); })... 阅读全文