# Children

**Kind:** Constant

**Source:** [`src/jsx/children.ts`](https://github.com/honojs/hono/blob/main/src/jsx/children.ts#L5)

**Part of:** [Jsx](subsystem-src-jsx)

## Definition

```ts
{
  map: (children: Child[], fn: (child: Child, index: number) => Child): Child[] =>
    toArray(children).map(fn),
  forEach: (children: Child[], fn: (child: Child, index: number) => void): void => {
    toArray(children).forEach(fn)
  },
  count: (children: Child[]): number => toArray(children).length,
  only: (_children: Child[]): Child => {
    const children = toArray(_children)
    if (child…
```

## Value

```ts
{
  map: (children: Child[], fn: (child: Child, index: number) => Child): Child[] =>
    toArray(children).map(fn),
  forEach: (children: Child[], fn: (child: Child, index: number) => void): void => {
    toArray(children).forEach(fn)
  },
  count: (children: Child[]): number => toArray(children).length,
  only: (_children: Child[]): Child => {
    const children = toArray(_children)
    if (child…
```