https://fukui-kenkou.com/contact/js/zipsearch.js?t=P

1/**
2 * Postal Code API by Made for _____ Team
3 * https://github.com/madefor/postal-code-api
4 */
5jQuery(function($){
6	$("input[name='zipcode']").keyup(function(){
7		var zip = $("input[name='zipcode']").val();
8		getAddress(zip, $("textarea[name='address']"));
9	});
10
11	$("input[name='company_zipcode']").keyup(function(){
12		var zip = $("input[name='company_zipcode']").val();
13		getAddress(zip, $("textarea[name='company_address']"));
14	});
15
16	function getAddress(zip, $output) {
17		zip = zip.replace("-", "");
18
19		if (zip.length >=7) {
20			var zip1 = zip.slice(0,3);
21			var zip2 = zip.slice(3,7);
22			$.ajax({
23				url:'https://jp-postal-code-api.ttskch.com/api/v1/' + zip + '.json',
24				dataType: "json",
25				async: true,
26			}).done(function(data, textStatus, jqXHR){
27				$output.val(data.addresses[0].ja.prefecture + data.addresses[0].ja.address1 + data.addresses[0].ja.address2);
28			}).fail(function(jqXHR, textStatus, errorThrown){
29				console.log(errorThrown);
30			})
31		}
32	}
33});