var arr = [{id: '1', name: 'abc'}, {id: '3', name: 'abc'}];
var obj = {id: '2', name: 'abc'};
if (!JSON.stringify(arr).includes(JSON.stringify(obj))) {
arr.push(obj);
}
console.log(JSON.stringify(arr));
var arr = [{match_id: '1', name: 'abc'}, {match_id: '3', name: 'abc'}];
var obj = {match_id: '2', name: 'abc'};
var map = arr.map(item=>({[item.match_id]: item}));
if(map[obj.match_id]){
map[obj.match_id] = obj;// 更新对象
arr = Object.values(map); // map 转 arr
} else {
arr.push(obj);
}
console.log(JSON.stringify(arr));
// [{"match_id":"1","name":"abc"},{"match_id":"3","name":"abc"},{"match_id":"2","name":"abc"}]
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