let arr = [
{ id: 1, list: { id: 66 } },
{ id: 1, list: { id: 44 } },
{ id: 2, list: { id: 55 } },
{ id: 2, list: { id: 33 } },
{ id: 3, list: { id: 11 } },
{ id: 3, list: { id: 22 } }
]
let tempArr = [], newArr = []
for (let i = 0; i < arr.length; i++) {
if (tempArr.indexOf(arr[i].id) === -1) {
newArr.push({
id: arr[i].id,
list: [arr[i].list]
})
tempArr.push(arr[i].id);
} else {
for (let j = 0; j < newArr.length; j++) {
if (newArr[j].id == arr[i].id) {
newArr[j].list.push(arr[i].list)
}
}
}
}
console.log(newArr)If it is useful to you, pay attention to the blogger's applet, log in to give support, and any open source and useful source code will be uploaded to the applet in the future
