Как получить длину моего Json объекта

Question

Ниже мой JSON объект

{"Decision":[{"recid":"1183","reason":"Approved as Requested","decision":"Approved","approvalamt":"","comment":""},{"recid":"662","reason":"3","decision":"Rejected","approvalamt":"","comment":""},{"recid":"752","reason":"Approved People Resources; But No Funding Approved","decision":"Approved","approvalamt":"","comment":""}]} 

Как получить длину this.In этот пример он должен вернуть мне 3. Мое имя объекта DecisionObj, которые имеют выше перечисленных элементов.

Answer 1

var string = '{"Decision":[{"recid":"1183","reason":"Approved as Requested","decision":"Approved","approvalamt":"","comment":""},{"recid":"662","reason":"3","decision":"Rejected","approvalamt":"","comment":""},{"recid":"752","reason":"Approved People Resources; But No Funding Approved","decision":"Approved","approvalamt":"","comment":""}]}'; 
 

 
var object = JSON.parse(string); 
 

 
alert(object.Decision.length);

Answer 2

Массивы имеют length свойство. Вы можете использовать это.

var length = DecisionObj.length;