Question

我试图使用LoDash从数组中删除对象。

var roomList = [
    {id: '12345', room: 'kitchen'},
    {id: '23456', room: 'lounge'},
    {id: '34567', room: 'bathroom'},
];

console.log(roomList); //outputs all 3 rooms
_.pull(roomList, {id: '12345'});
console.log(roomList); //STILL outputs all 3 rooms!

我认为_pull可以在这种情况下发挥作用，但事实并非如此。如何使用LoDash从数组中删除对象？

Answer 1

您可以使用_.remove：

_.remove(roomList, {id: '12345'});

Answer 2

试试这段代码：

var roomList = [
    {id: '12345', room: 'kitchen'},
    {id: '23456', room: 'lounge'},
    {id: '34567', room: 'bathroom'},
];

console.log(roomList);
_.pull(roomList, _.find(roomList, {id: '12345'}));
console.log(roomList);

Answer 3

另一种方法是使用_.filter;

roomList = _.filter(roomList, function(item) {return item.id != '12345'});
console.log(roomList);

使用LoDash无法使_pull工作

3 个答案: