can someone help me to understand this function please :
const displaySuggestions = (event) => {
event.preventDefault()
while(responseField.firstChild){
responseField.removeChild(responseField.firstChild)
};
getSuggestions();
};
```[https://gist.github.com/784659fdbf6c3ce539127454b19a0ebc](https://gist.github.com/784659fdbf6c3ce539127454b19a0ebc)