Array · 删除数组中指定的元素

let list = [2,4];
this.pageList = [{fileId: 1}, {fileId: 2}, {fileId: 3}, {fileId: 4}]

list.forEach(m => {
  this.pageList.forEach((m2, i2, arr) => {
    if (m2.fileId === m) {
      arr.splice(i2, 1)
    }
  })
})