var arr = [
{
"fdId": "1ech3enh02snwcw1q9fd0q2jv026k1hb",
"actionType": "agree",
"triggerTime": 48,
},
{
"fdId": "1ecp2el9j35ow2dw34t42dd1klcdea1s",
"actionType": "forward",
"triggerTime": 27,
}
]
生成一个新数组,把fdId替换成id
应该怎么转换