eolas/neuron/0c4abb9b-c940-4636-84e0-b880b7c1ac8b/Functions.md
2025-01-02 18:02:35 +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>
```