eolas/neuron/f2b582e1-cb67-4c06-b6ad-a3e7d0a4f307/Functions.md
2024-11-16 16:29:27 +00:00

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---
tags:
- typescript
- react
---
# Functions
Continuing from the other examples of React Typescript, we could do standard
listing function, like:
```tsx
<ul>
{people.map((person) => {
return <li>{person.name}</li>;
})}
</ul>
```
But it's neater to do it with a function defined within the `List` component:
```tsx
const renderList = (): JSX.Element[] => {
return people.map((person) => {
return (
<li>
<div>{person.name}</div>
<div>{person.age}</div>
</li>
);
});
};
```
And then change the eariler list to a function invocation:
```tsx
<ul>{renderList()}<ul>
```