For your subscribe button, you can do this:
<input type="submit" value="Subscribe" onclick="subscribe()"/*executes a command on click*/>
When you do this, you get the button to reference a javascript function.
Now, you can include the javascript function.
function subscribe(){
setTimeout(function () {
location.replace("https://youtube.com")/*replaces the website with youtube.com*/
}
}, 2000 /*waits for 2000 miliseconds(2 seconds) before executing code in setTimeout*/);
Here it is in live code.
function subscribe() {
setTimeout(function() {
location.replace("https://youtube.com")/*replaces the website with youtube.com*/
}, 2000 /*waits for 2000 miliseconds(2 seconds) before executing code in setTimeout*/ );
}
<div class="mc4wp-form-fields"><p>
<label>Email:
<input type="email" name="EMAIL" placeholder="" required="">
</label>
</p>
<p>
<input type="submit" value="Subscribe" onclick="subscribe()" /*executes a
command on click*/>
</p></div>