html form no reload on submit code example

Example 1: how to make form not reload page

<form onsubmit="return false">
</form>

Example 2: html prevent submit from reloading page

<form onSubmit="return false; // Returning false stops the page from reloading">
	<button type="submit"></button>
</form>

Example 3: submit form javascript without refresh

event.preventDefault()