This code prevents Spam robots from completing orders on WooCommerce if they type the city field as 'dsfsdf' then kicks them off the website

Prevent-Spam-Robot-From-Completing-WooCommerce-Orders-Based-On-City.php

/* You can put this in your footer.php file */

/* This code checks if Spam robots type the City field in the WooCommerce checkout page as 'dsfsdf' and kicks them out */
/* This can be modified to any condition you like by changing the if statements and event listeners around */

<?php if( $post->ID == 2309 ) { ?> // change this to your Checkout page's ID
<script>
    // get variables for the different fields in the woocommerce checkout form (note 'billing' vs 'shipping' side)
    var cityfield = document.getElementById('billing_city');
    var postfield = document.getElementById('billing_postcode');
    var emailfield = document.getElementById('billing_email');
    var shippingemailfield = document.getElementById('shipping_email');
    var billingphone  = document.getElementById('billing_phone');
    
    // create an event listener that fires when they start to type in the Zip code field
    postfield.addEventListener('focus', (event) => {
        // if the robot previously typed the city as 'dsfsdf' start the routine
	if (cityfield.value == "dsfsdf") {
            // replace whatever they typed in the city field with the following message - so they know you are on to them
	    document.getElementById("billing_city").value = "Go away. I am sick of you. Please get a life.";
            // after they leave the zip code field, continue with the rest of the routine
	    postfield.addEventListener('blur', (event) => {
                // delete some fields, as well as the place order and payment buttons so its impossible to finish ordering
	        var removeZipField = document.getElementById('billing_postcode');
	        removeZipField.remove();
	        var removeEmailField = document.getElementById('billing_email_field');
	        removeEmailField.remove();
	        var removePlaceOrder = document.getElementById('place_order');
	        removePlaceOrder.remove();
	        var removePayment = document.getElementById('payment');
	        removePayment.remove();
        
                // just for laughs, let's grab the IP address that the robot was using just to scare them
                // this is my API key for ipgeolocation.abstractapi.com
	        let apiKey = '163265ecf3ac49e0b0b95652529642b4';
                // use the API to grab the IP address
	        jQuery(function($) {
		    $.getJSON('https://ipgeolocation.abstractapi.com/v1/?api_key=' + apiKey, function(data) {
		        var ipToBlock = data.ip_address;
                        // send an alert telling the robot their IP address has been blocked (even though its not really!)
		        alert("Your IP address " + ipToBlock + " has been blocked.");
                        // wait 1 second, then redirect the page to an article explaining how they can stop being so annoying
		        setTimeout(function () {
			    window.location.href = "https://www.psychologytoday.com/us/blog/valley-girl-brain/201303/6-ways-stop-being-annoying";
			}, 1000); //will call the function after 1 second
		    });
		});
	    });
        }
    });
<script>
<?php } ?>