[Refactor] add parameters 'input_startIndex' and 'input_stringLength' to json_isNumber
[Refactor] add parameters 'input_startIndex' and 'input_stringLength' to json_isString
[Refactor] add parameters 'input_startIndex' and 'input_stringLength' to json_isBoolean
[Refactor] add parameters 'input_startIndex' and 'input_stringLength' to json_isNull