数组：

    let arr = [{ appendData: { "Expiration Date mm- dd - yyyy(2D)": "03-04-2025" }},{appendData:  { "Manufacturer(21P)": "MURATA" }}]

 arr.forEach((value,i)=>{ //数组循环for(var pl in value){ //数组对象遍历console.log(pl); //获取keyconsole.log(value[pl]) //获取key的值}
})

打印

数组

    let arr = [{ "Expiration Date mm- dd - yyyy(2D)": "03-04-2025" },{ "Manufacturer(21P)": "MURATA" }]

 arr.forEach((value, i) => { //数组循环for (var pl in value) { //数组对象遍历console.log(pl, '获取key'); //获取keyconsole.log(value[pl], '获取key的值') //获取key的值}})

打印结果