Hint: spaces among elements are always ignored by any JSON parser. And value is an object , array , string , number , bool or null ... ... <看更多>

Generating and Parsing JSON Data. JSON Syntax. JSON defines only two data structures: objects and arrays. An object is a set of name-value ... ... <看更多>

A path is a series of keys separated by a dot. A key may contain special wildcard characters '*' and '?'. To access an array value use the index as the key. To ... ... <看更多>

This is not possible in the above queries producing a text string, which cannot contain null values. The true representation is an array. Function wrapper. For ... ... <看更多>