How to delete an element from an array which is inside an object in ImmutableJS

Question

if i have an object like so:

var fruitList = Immutable.map ({ fruits: [apples, oranges, mangoes]});

How do i delete one of the element of the array while maintaining immutability.

var newList = {fruits: [apples, oranges]};

Answer 1

您可以尝试以下方法：

var newList = fruitList.get('fruits').delete(fruitList.get('fruits').findIndex(fruit => fruit === 'mangoes'))