js删除对象子元素
//数据：Object { id: 1, name: "ainusers", age: "18" }
delete a.age;
//输出：Object { id: 1, name: "ainusers" }
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删除JS 对象属性（子元素）
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js删除对象子元素
//数据：Object { id: 1, name: "ainusers", age: "18" }
delete a.age;
//输出：Object { id: 1, name: "ainusers" }
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