Function renderChildren

packages/runtime-core/__tests__/rendererChildren.spec.ts:80–83

(arr: number[])

  let root: TestElement
  let elm: TestElement
  const renderChildren = (arr: number[]) => {
    render(h('div', arr.map(toSpan)), root)
    return root.children[0] as TestElement
  }

  beforeEach(() => {
    root = nodeOps.createElement('div')