filter() メソッドを使うやり方
let list = [ { id: '1', name: 'taro' }, { id: '1', name: 'taro' }, { id: '2', name: 'tako' }, { id: '2', name: 'ika' }, ]; const delId = '1'; list = list.filter((v) => v.id !== delId);
https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/Array/filter