fix: clear input value on button click

when a user clicks the subscribe button, the input value is set to an empty string and the placeholder value is updates

Author: jmcdougall

assets/js/main.js

@@ -196,9 +196,11 @@
   // Ensures valid email is supplied
   $(".subscribe").click(function () {
     if (/^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$/.test(document.getElementById('email').value)) {
-      document.getElementById('email').value = "Thank you for subscribing to our newsletters."
+      document.getElementById('email').value = ""
+      document.getElementById('email').placeholder = "Thank you for subscribing to our newsletters."
     } else {
-      document.getElementById('email').value = "Please enter a valid email address."
+      document.getElementById('email').value = ""
+      document.getElementById('email').placeholder = "Please enter a valid email address."
     }
   });
 })(jQuery);