How to clear input field just after hitting submit button?

Question

How to clear input field automatically just after the submit button has clicked?

Answer 1

This should work:

let inputField = document.getElementById("inputField")

let submitBtn = document.getElementById("submitBtn")

submitBtn.addEventListener("click", () => {
inputField.value = "";
}

Answer 2

This works without JS:

HTML:
<form>
<input />
<input type="reset" value="Submit" />
</form>

Answer 3

Are you use the MySQL ? For database ?