为什么需要剔除 v-开头的属性呢？ about feprojectdemos HOT 3 CLOSED

  it('appendArrow: add scoped', () => {
    const popper = document.createElement('div');
    popper.setAttribute('_v-110', true);
    const vm = createTest(CleanPopper, {
      reference: document.createElement('div'),
      visibleArrow: true,
      popper
    });
    expect(vm.appended).to.empty;
    vm.createPopper();
    expect(vm.popperJS._popper.querySelector('[x-arrow][_v-110]')).to.exist;
  });