JS：使用 ID 的第二个对象数组过滤对象数组

Question

I have two object arrays:

let array1 = [{ id:'1232', name: 'foo'}, { id: '3442', name: 'moo'}, {id: '3144', name: 'coo'}]

let array2 = [{ id:'3442', value: 'some'}, { id:'5553', value: 'somevalue'}, {id: '3144', value: 'lala'}]

Using JS, how can I filter array1 by array2 so that the expected output could be:

let filtered = [{ id: '3442', name: 'moo'}, { id: '3144', name: 'coo'}]

Thanks so much for your time!

Answer 1

combine filter and some to achieve this

 let array1 = [{ id:'1232', name: 'foo'}, { id: '3442', name: 'moo'}, {id: '3144', name: 'coo'}] let array2 = [{ id:'3442', value: 'some'}, { id:'5553', value: 'somevalue'}, {id: '3144', value: 'lala'}] output=array1.filter(x=>array2.some(y=>y.id==x.id)) console.log(output)