map/filter
var upper = _.mapObject(obj, function (value, key) { return key.toUpperCase() + ':' + value.toUpperCase(); });
every/some
var r1 = _.every(obj, function (value, key) { return isLowerCase(value) && isLowerCase(key); }); var r2 = _.some(obj, function (value, key) { return isLowerCase(value) && isLowerCase(key); }); function isLowerCase(str) { return str === str.toLowerCase(); }
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思想上的小丸子
map/filter
every/some