Script expression, using the underlying script engine. JSONPath allows alternate names or array indices as a set. Union operator in XPath results in a combination of node sets. In Javascript and JSON it is the native array operator. XPath uses it to iterate over element collections and for predicates. All objects/elements regardless their access. Here is a complete overview and a side by side comparison of the JSONPath syntax elements with its XPath counterparts. Filter expressions are supported via the syntax ?() as < 10)].title It borrows the descendant operator '.' from E4X and the array slice syntax proposal from ECMASCRIPT 4.Įxpressions of the underlying scripting language () can be used as an alternative to explicit names or indices as the symbol for the current object. JSONPath allows the wildcard symbol * for member names and array indices. Internal or output pathes will always be converted to the more general bracket–notation. JSONPath expressions can use the dot–notationįor input pathes. Since a JSON structure is usually anonymous and doesn't necessarily have a "root member object" JSONPath assumes the abstract name $ assigned to the outer level object. JSONPath expressions always refer to a JSON structure in the same way as XPath expression are used in combination with an XML document.
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