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json对象遍历遍历简单对象遍历复杂对象遍历简单对象json对象遍历var jsonObj = {"name": "hello", "age": 20, "sex": "男", "e_mail": "1009143165@qq.com"};for(var key in jsonObj){ console.log(key)}遍历复杂对象var jsonObj = [{"name": "hello", "age": 20, "sex": "男", "e_mail": "1009143165@q