
You should be passing the numbers via curly braces({}) where as strings in quotes

```jsx
React.render(<User age={30} department={'IT'} />, document.getElementById('container'));
```

How to pass numbers to React component?

React is an open-source frontend JavaScript library which is used for building user interfaces especially for single page applications.

What is React?

In this article you will find out how to trigger click events in ReactJS using HTML component method provided by ref

How to programmatically trigger click event in React?

In React, props and state are two concepts that are often used together to manage data within a component.

Understanding the Differences Between Props and State in React

In this article you'll find out how to use throttle and debounce to prevent the callback or function fired too quickly.

How to prevent a function from being called multiple times?

To pass parameters to the history.push method, you can use an object to specify the route to push to and include any parameters of that object.

How to pass params to history.push method in React Router?

The dangerouslySetInnerHTML attribute is React's replacement for using innerHTML in the browser DOM. It is risky to use it considering XSS attacks.

How to use innerHTML in React?

The push() and replace() methods of the history object can be used to manipulate the browser's history stack and create a seamless user experience.