Source code for https://formidable-masterminds.com/building-a-tabbed-form/

final-jquery.js

<script>
jQuery(document).ready(function($) {
    "use strict";
    $( function() {
                
        // activate the tooltip function
        $( document ).tooltip({
          position: {
            my: "center bottom-20",
            at: "center top",
            using: function( position, feedback ) {
              $( this ).css( position );
              $( "<div>" )
                .addClass( "arrow" )
                .addClass( feedback.vertical )
                .addClass( feedback.horizontal )
                .appendTo( this );
            }
          }
        });
        
        $( "#maintabs, #nestedtabs" ).tabs();
    });
    
        
    // add title attributes to ethnicity and race fields so tootips display
	$('#field_2f4fn7-0').attr('title', 'A person of Cuban, Mexican, Puerto Rican, South or Central American, or other Spanish Culture or origin regardless of race.');
	$('#field_tp1j02-0').attr('title', 'A person having origins in any of the original peoples of North and South America (including Central America) and who maintains tribal affiliation or community attachment.');
	$('#field_tp1j02-1').attr('title', 'A person having origins in any of the original peoples of the Far East, Southeast Asia, or the Indian subcontinent, including, for example, Cambodia, China, India, Japan, Korea, Malaysia, Pakistan, the Philippine Islands, Thailand, and Vietnam.');
	$('#field_tp1j02-2').attr('title', 'A person having origins in any of the black racial groups of Africa.');
    $('#field_tp1j02-3').attr('title', 'A person having origins in any of the original peoples of Europe, the Middle East, or North Africa.');
	$('#field_tp1j02-4').attr('title', 'A person having origins in any of the original peoples of Hawaii, Guam, Samoa, or other Pacific Islands.');
	
	// populate current address
	$(function(){
		$("#field_224zki-0").change(function() {
			if ($("#field_224zki-0:checked").length > 0) {
				bindCurrent();
			} else {
				unbindCurrent();
			}
		});
	});


	var bindCurrent = function() {
		// First copy values

		$("input[id='field_ehojnh']").val($("input[id='field_3l3cwp2']").val()).attr("readonly",true); 	//address
		$("input[id='field_pfyu8e']").val($("input[id='field_puitbx2']").val()).attr("readonly",true);		// address2
		$("input[id='field_f3259j']").val($("input[id='field_w8z3lb2']").val()).attr("readonly",true);		// city
		$("select[id='field_urw4bt']").val($("select[id='field_9c57wk2'] option:selected").val()).attr("disabled",true);	// state
		$("input[id='field_ele4cr']").val($("input[id='field_xk12lc2']").val()).attr("readonly",true);		// zip		
		$("select[id='field_8w230h']").val($("select[id='field_j9nrol2'] option:selected").val()).attr("disabled",true);	// country

		// Then bind fields
		// address
		$("input[id='field_3l3cwp2']").keyup(function() {
			$("input[id='field_ehojnh']").val($(this).val());
		});
		// address2
		$("input[id='field_puitbx2']").keyup(function() {
			$("input[id='field_pfyu8e']").val($(this).val());
		});
		// city
		$("input[id='field_w8z3lb2']").keyup(function() {
			$("input[id='field_f3259j']").val($(this).val());
		});
		// state
		$("select[id='field_9c57wk2']").change(function() {
			$("select[id='field_urw4bt']").val($(this).val());
		});		
		// zip
		$("input[id='field_xk12lc2']").keyup(function() {
			$("input[id='field_ele4cr']").val($(this).val());
		});
		// country
		$("select[id='field_j9nrol2']").change(function() {
			$("select[id='field_8w230h']").val($(this).val());
		});

	};

	var unbindCurrent = function() {
		/* unbind fields */
		$("input[id='field_3l3cwp2']").unbind("keyup");
		$("input[id='field_puitbx2']").unbind("keyup");
		$("input[id='field_w8z3lb2']").unbind("keyup");
		$("select[id='field_9c57wk2']").unbind("change");		
		$("input[id='field_xk12lc2']").unbind("keyup");
		$("select[id='field_j9nrol2']").unbind("change");
		/* clear readonly and disabled attributes */
		$("input[id='field_ehojnh']").removeAttr("readonly");
		$("input[id='field_pfyu8e']").removeAttr("readonly");
		$("input[id='field_f3259j']").removeAttr("readonly");
		$("select[id='field_urw4bt']").removeAttr("disabled");		
		$("input[id='field_ele4cr']").removeAttr("readonly");
		$("select[id='field_8w230h']").removeAttr("disabled");
		/* clear fields */
		$("input[id='field_ehojnh']").val("");
		$("input[id='field_pfyu8e']").val("");
		$("input[id='field_f3259j']").val("");
		$("select[id='field_urw4bt']").val("");
		$("input[id='field_ele4cr']").val("");
		$("select[id='field_8w230h']").val("");
		/* set focus to address */
		$("input[id='field_ehojnh']").focus();

	};
});
</script>

form-init-jquery.js

jQuery(document).ready(function($) {
    "use strict";
    $( function() {
                
        // activate the tooltip function
        $( document ).tooltip({
          position: {
            my: "center bottom-20",
            at: "center top",
            using: function( position, feedback ) {
              $( this ).css( position );
              $( "<div>" )
                .addClass( "arrow" )
                .addClass( feedback.vertical )
                .addClass( feedback.horizontal )
                .appendTo( this );
            }
          }
        });
        
        $( "#maintabs, #nestedtabs" ).tabs();
    });
});
</script>

form-init-php.php

<?php

/* load jQuery tabs for tabbed form demo */
add_action( 'wp_enqueue_scripts', 'tabbed_form_library' );
function tabbed_form_library() {
    if ( is_single( '2780' ) )
	add_action( 'wp_footer', 'tabbed_form_library_jquery_ui_components', 20 );
        wp_enqueue_script( "jquery-ui-tabs" );
        wp_enqueue_script( "jquery-ui-tooltip" );
    }
}

function tabbed_form_library_jquery_ui_components() {
	?>
<link rel="stylesheet" href="https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/themes/cupertino/jquery-ui.css">
<script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js"></script>
<style>
	.ui-widget select {
		font-size: var(--field-font-size);
	}
	.ui-tabs-anchor {
		font-size: 2.2rem;
	}
	.ui-tooltip {
    	font-size: 1.4rem;
    	position: relative;
	    z-index: 10;
	    padding: 10px 20px;
	    color: var(--fa-primary-color);
	    border-radius: 4px;
	    font-weight: 700;
	    box-shadow: 0 0 7px var(--fa-primary-color);
	    max-width: 350px;
	    background-color: var(--mastermind-background-color);
	    opacity: 1;
	}
	.ui-tooltip, .arrow:after {
	    background: var(--mastermind-background-color);
	    border: 2px solid var(--fa-primary-color);
	}

	.arrow {
	    width: 70px;
	    height: 16px;
	    overflow: hidden;
	    position: absolute;
	    left: 50%;
	    margin-left: -35px;
	    bottom: -16px;
	}

	.arrow.top {
	    top: -16px;
	    bottom: auto;
	}

	.arrow.left {
	    left: 20%;
	}

	.arrow:after {
	    content: "";
	    position: absolute;
	    left: 20px;
	    top: -20px;
	    width: 25px;
	    height: 25px;
	    box-shadow: 6px 5px 9px -9px black;
	    -webkit-transform: rotate(45deg);
	    -ms-transform: rotate(45deg);
	    transform: rotate(45deg);
	}

	.arrow.top:after {
	    bottom: -20px;
	    top: auto;
	}
</style>
	<?php
}

jQuery-UI-demo-code.html

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>jQuery UI Tabs - Default functionality</title>
  <link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
  <link rel="stylesheet" href="/resources/demos/style.css">
  <script src="https://code.jquery.com/jquery-1.12.4.js"></script>
  <script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
  <script>
  $( function() {
    $( "#tabs" ).tabs();
  } );
  </script>
</head>
<body>
 
<div id="tabs">
  <ul>
    <li><a href="#tabs-1">Nunc tincidunt</a></li>
    <li><a href="#tabs-2">Proin dolor</a></li>
    <li><a href="#tabs-3">Aenean lacinia</a></li>
  </ul>
  <div id="tabs-1">
    <p>Proin elit arcu, rutrum commodo, vehicula tempus, commodo a, risus. Curabitur nec arcu. Donec sollicitudin mi sit amet mauris. Nam elementum quam ullamcorper ante. Etiam aliquet massa et lorem. Mauris dapibus lacus auctor risus. Aenean tempor ullamcorper leo. Vivamus sed magna quis ligula eleifend adipiscing. Duis orci. Aliquam sodales tortor vitae ipsum. Aliquam nulla. Duis aliquam molestie erat. Ut et mauris vel pede varius sollicitudin. Sed ut dolor nec orci tincidunt interdum. Phasellus ipsum. Nunc tristique tempus lectus.</p>
  </div>
  <div id="tabs-2">
    <p>Morbi tincidunt, dui sit amet facilisis feugiat, odio metus gravida ante, ut pharetra massa metus id nunc. Duis scelerisque molestie turpis. Sed fringilla, massa eget luctus malesuada, metus eros molestie lectus, ut tempus eros massa ut dolor. Aenean aliquet fringilla sem. Suspendisse sed ligula in ligula suscipit aliquam. Praesent in eros vestibulum mi adipiscing adipiscing. Morbi facilisis. Curabitur ornare consequat nunc. Aenean vel metus. Ut posuere viverra nulla. Aliquam erat volutpat. Pellentesque convallis. Maecenas feugiat, tellus pellentesque pretium posuere, felis lorem euismod felis, eu ornare leo nisi vel felis. Mauris consectetur tortor et purus.</p>
  </div>
  <div id="tabs-3">
    <p>Mauris eleifend est et turpis. Duis id erat. Suspendisse potenti. Aliquam vulputate, pede vel vehicula accumsan, mi neque rutrum erat, eu congue orci lorem eget lorem. Vestibulum non ante. Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos himenaeos. Fusce sodales. Quisque eu urna vel enim commodo pellentesque. Praesent eu risus hendrerit ligula tempus pretium. Curabitur lorem enim, pretium nec, feugiat nec, luctus a, lacus.</p>
    <p>Duis cursus. Maecenas ligula eros, blandit nec, pharetra at, semper at, magna. Nullam ac lacus. Nulla facilisi. Praesent viverra justo vitae neque. Praesent blandit adipiscing velit. Suspendisse potenti. Donec mattis, pede vel pharetra blandit, magna ligula faucibus eros, id euismod lacus dolor eget odio. Nam scelerisque. Donec non libero sed nulla mattis commodo. Ut sagittis. Donec nisi lectus, feugiat porttitor, tempor ac, tempor vitae, pede. Aenean vehicula velit eu tellus interdum rutrum. Maecenas commodo. Pellentesque nec elit. Fusce in lacus. Vivamus a libero vitae lectus hendrerit hendrerit.</p>
  </div>
</div>
 
 
</body>
</html>