查询json数据中的固定值

	let consJson = [
        {
            "consAddr": "上海市普陀区",
            "consName": "张超",
            "idCardList": [
                "310107199003072530",
                "310107199003070914"
            ],
            "consNo": "11111111"
        },
        {
            "consAddr": "深圳市南山区",
            "consName": "马腾",
            "idCardList": [
                "440304198803074557"
            ],
            "consNo": "22222222"
        }
    ]

console.log(consJson.find(item=>item.consName=='马腾'))