How to echo the selected value from a dropdown list?

var cities={'Abra':['Bangued','Boliney','Bucay','Bucloc','Daguioman','Danglas','Dolores','La Paz','Lacub','Lagangilang','Lagayan','Langiden','Licuan-Baay','Luba','Malibcong','Manabo','Peñarrubia','Pidigan','Pilar','Sallapadan','San Isidro','San Juan','San Quintin','Tayum','Tineg','Tubo','Villaviciosa'],'Agusan del Norte':['Buenavista','Butuan','Cabadbaran','Carmen','Jabonga','Kitcharao','Las Nieves','Magallanes','Nasipit','Remedios T. Romualdez','Santiago','Tubay'],'Agusan del Sur':['Bayugan','Bunawan','Esperanza','La Paz','Loreto','Prosperidad','Rosario','San Francisco','San Luis','Santa Josefa','Sibagat','Talacogon','Trento','Veruela'],'Aklan':['Altavas','Balete','Banga','Batan','Buruanga','Ibajay','Kalibo','Lezo','Libacao','Madalag','Makato','Malay','Malinao','Nabas','New Washington','Numancia','Tangalan'],'Albay':['Bacacay','Camalig','Daraga','Guinobatan','Jovellar','Legazpi','Libon','Ligao','Malilipot','Malinao','Manito','Oas','Pio Duran','Polangui','Rapu-Rapu','Santo Domingo','Tabaco','Tiwi'],'Antique':['Anini-y','Barbaza','Belison','Bugasong','Caluya','Culasi','Hamtic','Laua-an','Libertad','Pandan','Patnongon','San Jose de Buenavista','San Remigio','Sebaste','Sibalom','Tibiao','Tobias Fornier','Valderrama'],'Apayao':['Calanasan','Conner','Flora','Kabugao','Luna','Pudtol','Santa Marcela'],'Aurora':['Baler','Casiguran','Dilasag','Dinalungan','Dingalan','Dipaculao','Maria Aurora','San Luis'],'Basilan':['Akbar','Al-Barka','Hadji Mohammad Ajul','Hadji Muhtamad','Isabela City','Lamitan','Lantawan','Maluso','Sumisip','Tabuan-Lasa','Tipo-Tipo','Tuburan','Ungkaya Pukan'],'Bataan':['Abucay','Bagac','Balanga','Dinalupihan','Hermosa','Limay','Mariveles','Morong','Orani','Orion','Pilar','Samal',],'Batanes':['Basco','Itbayat','Ivana','Mahatao','Sabtang','Uyugan'],'Batangas':['Agoncillo','Alitagtag','Balayan','Balete','Batangas City','Bauan','Calaca','Calatagan','Cuenca','Ibaan','Laurel','Lemery','Lian','Lipa','Lobo','Mabini','Malvar','Mataas na kahoy','Nasugbu','Padre Garcia','Rosario','San Jose','San Juan','San Luis','San Nicolas','San Pascual','Santa Teresita','Santo Tomas','Taal','Talisay','Tanauan','Taysan','Tingloy','Tuy'],'Benguet':['Atok','Baguio','Bakun','Bokod','Buguias','Itogon','Kabayan','Kapangan','Kibungan','La Trinidad','Mankayan','Sablan','Tuba','Tublay'],'Biliran':['Almeria','Biliran','Cabucgayan','Caibiran','Culaba','Kawayan','Maripipi','Naval'],'Bohol':['Alicia','Anda','Batuan','Bilar','Candijay','Carmen','Dimiao','Duero','Garcia Hernandez','Guindulman','Jagna','Sevilla','Lila','Loay','Loboc','Mabini','Pilar','Sierra Bullones','Valencia'],'Bukidnon':['Baungon','Cabanglasan','Damulog','Dangcagan','Don Carlos','Impasugong','Kadingilan','Kalilangan','Kibawe','Kitaotao','Lantapan','Libona','Malaybalay','Malitbog','Manolo Fortich','Maramag','Pangantucan','Quezon','San Fernando','Sumilao','Talakag','Valencia'],'Bulacan':['Angat','Balagtas','Baliuag','Bocaue','Bulakan','Bustos','Calumpit','Doña Remedios Trinidad','Guiguinto','Hagonoy','Malolos','Marilao','Meycauayan','Norzagaray','Obando','Pandi','Paombong','Plaridel','Pulilan','San Ildefonso','San Jose del Monte','San Miguel','San Rafael','Santa Maria'],'Cagayan':['Abulug','Alcala','Allacapan','Amulung','Aparri','Baggao','Ballesteros','Buguey','Calayan','Camalaniugan','Claveria','Enrile','Gattaran','Gonzaga','Iguig','Lal-lo','Lasam','Pamplona','Peñablanca','Piat','Rizal','Sanchez-Mira','Santa Ana','Santa Praxedes','Santa Teresita','Santo Niño','Solana','Tuao','Tuguegarao City'],'Camarines Norte':['Basud','Capalonga','Daet','Jose Panganiban','Labo','Mercedes','Paracale','San Lorenzo Ruiz','San Vicente','Santa Elena','Talisay','Vinzons',],'Camarines Sur':['Baao','Balatan','Bato','Bombon','Buhi','Bula','Cabusao','Calabanga','Camaligan','Canaman','Caramoan','Del Gallego','Gainza','Garchitorena','Goa','Iriga','Lagonoy','Libmanan','Lupi','Magarao','Milaor','Minalabac','Nabua','Naga','Ocampo','Pamplona','Pasacao','Pili','Presentacion','Ragay','Sagñay','San Fernando','San Jose','Sipocot','Siruma','Tigaon','Tinambac'],'Camiguin':['Catarman','Guinsiliban','Mahinog','Mambajao','Sagay'],'Capiz':['Cuartero','Dao','Dumalag','Dumarao','Ivisan','Jamindan','Maayon','Mambusao','Panay','Panitan','Pilar','Pontevedra','President Roxas','Roxas City','Sapian','Sigma','Tapaz'],'Catanduanes':['Bagamanoc','Baras','Bato','Caramoran','Gigmoto','Pandan','Panganiban','San Andres','San Miguel','Viga','Virac'],'Cavite':['Alfonso','Amadeo','Bacoor','Carmona','Cavite City','Dasmariñas','General Emilio Aguinaldo','General Mariano Alvarez','General Trias','Imus','Indang','Kawit','Magallanes','Maragondon','Mendez','Naic','Noveleta','Rosario','Silang','Tagaytay','Tanza','Ternate','Trece Martires'],'Cebu':['Alcantara','Alcoy','Alegria','Aloguinsan','Argao','Asturias','Badian','Balamban','Bantayan','Barili','Bogo','Boljoon','Borbon','Carcar','Carmen','Catmon','Cebu City','Compostela','Consolacion','Cordova','Daanbantayan','Dalaguete','Danao','Dumanjug','Ginatilan','Lapu-Lapu','Liloan','Madridejos','Malabuyoc','Mandaue','Medellin','Minglanilla','Moalboal','Naga','Oslob','Pilar','Pinamungajan','Poro','Ronda','Samboan','San Fernando','San Francisco','San Remigio','Santa Fe','Santander','Sibonga','Sogod','Tabogon','Tabuelan','Talisay','Toledo','Tuburan','Tudela'],'Compostela Valley':['Compostela','Laak','Mabini','Maco','Maragusan','Mawab','Monkayo','Montevista','Nabunturan','New Bataan','Pantukan'],'Cotabato':['Alamada','Aleosan','Antipas','Arakan','Banisilan','Carmen','Kabacan','Kidapawan','Libungan','M'lang','Magpet','Makilala','Matalam','Midsayap','Pigcawayan','Pikit','President Roxas','Tulunan'],'Davao del Norte':['Asuncion','Braulio E. Dujali','Carmen','Kapalong','New Corella','Panabo','Samal','San Isidro','Santo Tomas','Tagum','Talaingod'],'Davao del Sur':['Bansalan','Davao City','Digos','Hagonoy','Kiblawan','Magsaysay','Malalag','Matanao','Padada','Santa Cruz','Sulop'],'Davao Oriental':['Baganga','Banaybanay','Boston','Caraga','Cateel','Governor Generoso','Lupon','Manay','Mati','San Isidro','Tarragona'],'Dinagat Islands':['Basilisa','Cagdianao','Dinagat','Libjo','Loreto','San Jose','Tubajon'],'Eastern Samar':['Arteche','Balangiga','Balangkayan','Borongan','Can-avid','Dolores','General MacArthur','Giporlos','Guiuan','Hernani','Jipapad','Lawaan','Llorente','Maslog','Maydolong','Mercedes','Oras','Quinapondan','Salcedo','San Julian','San Policarpo','Sulat','Taft'],'Guimaras':['Buenavista','Jordan','Nueva Valencia','San Lorenzo','Sibunag'],'Ifugao':['Aguinaldo','Alfonso Lista','Asipulo','Banaue','Hingyon','Hungduan','Kiangan','Lagawe','Lamut','Mayoyao','Tinoc'],'Ilocos Norte':['Adams','Bacarra','Badoc','Bangui','Banna','Batac','Burgos','Carasi','Currimao','Dingras','Dumalneg','Laoag','Marcos','Nueva Era','Pagudpud','Paoay','Pasuquin','Piddig','Pinili','San Nicolas','Sarrat','Solsona','Vintar'],'Ilocos Sur':['Alilem','Banayoyo','Bantay','Burgos','Cabugao','Candon','Caoayan','Cervantes','Galimuyod','Gregorio del Pilar','Lidlidda','Magsingal','Nagbukel','Narvacan','Quirino','Salcedo','San Emilio','San Esteban','San Ildefonso','San Juan','San Vicente','Santa','Santa Catalina','Santa Cruz','Santa Lucia','Santa Maria','Santiago','Santo Domingo','Sigay','Sinait','Sugpon','Suyo','Tagudin','Vigan'],'Iloilo':['Ajuy','Alimodian','Anilao','Badiangan','Balasan','Banate','Barotac Nuevo','Barotac Viejo','Batad','Bingawan','Cabatuan','Calinog','Carles','Concepcion','Dingle','Dueñas','Dumangas','Estancia','Guimbal','Igbaras','Iloilo City','Janiuay','Lambunao','Leganes','Lemery','Leon','Maasin','Miagao','Mina','New Lucena','Oton','Passi','Pavia','Pototan','San Dionisio','San Enrique','San Joaquin','San Miguel','San Rafael','Santa Barbara','Sara','Tigbauan','Tubungan','Zarraga'],'Isabela':['Alicia','Angadanan','Aurora','Benito Soliven','Burgos','Cabagan','Cabatuan','Cauayan','Cordon','Delfin Albano','Dinapigue','Divilacan','Echague','Gamu','Ilagan','Jones','Luna','Maconacon','Mallig','Naguilian','Palanan','Quezon','Quirino','Ramon','Reina Mercedes','Roxas','San Agustin','San Guillermo','San Isidro','San Manuel','San Mariano','San Mateo','San Pablo','Santa Maria','Santiago','Santo Tomas','Tumauini'],'Kalinga':['Balbalan','Lubuagan','Pasil','Pinukpuk','Rizal','Tabuk','Tanudan','Tinglayan'],'La Union':['Agoo','Aringay','Bacnotan','Bagulin','Balaoan','Bangar','Bauang','Burgos','Caba','Luna','Naguilian','Pugo','Rosario','San Fernando','San Gabriel','San Juan','Santo Tomas','Santol','Sudipen','Tubao'],'Laguna':['Alaminos','Bay','Biñan','Cabuyao','Calamba','Calauan','Cavinti','Famy','Kalayaan','Liliw','Los Baños','Luisiana','Lumban','Mabitac','Magdalena','Majayjay','Nagcarlan','Paete','Pagsanjan','Pakil','Pangil','Pila','Rizal','San Pablo','San Pedro','Santa Cruz','Santa Maria','Santa Rosa','Siniloan','Victoria'],'Lanao del Norte':['Bacolod','Baloi','Baroy','Iligan','Kapatagan','Kauswagan','Kolambugan','Lala','Linamon','Magsaysay','Maigo','Matungao','Munai','Nunungan','Pantao Ragat','Pantar','Poona Piagapo','Salvador','Sapad','Sultan Naga Dimaporo','Tagoloan','Tangcal','Tubod'],'Lanao del Sur':['Amai Manabilang','Bacolod-Kalawi','Balabagan','Balindong','Bayang','Binidayan','Buadiposo-Buntong','Bubong','Butig','Calanogas','Ditsaan-Ramain','Ganassi','Kapai','Kapatagan','Lumba-Bayabao','Lumbaca-Unayan','Lumbatan','Lumbayanague','Madalum','Madamba','Maguing','Malabang','Marantao','Marawi','Marogong','Masiu','Mulondo','Pagayawan','Piagapo','Picong','Poona Bayabao','Pualas','Saguiaran','Sultan Dumalondong','Tagoloan II','Tamparan','Taraka','Tubaran','Tugaya','Wao'],'Leyte':['Abuyog','Alangalang','Albuera','Babatngon','Barugo','Bato','Baybay','Burauen','Calubian','Capoocan','Carigara','Dagami','Dulag','Hilongos','Hindang','Inopacan','Isabel','Jaro','Javier','Julita','Kananga','La Paz','Leyte','MacArthur','Mahaplag','Matag-ob','Matalom','Mayorga','Merida','Ormoc','Palo','Palompon','Pastrana','San Isidro','San Miguel','Santa Fe','Tabango','Tabontabon','Tacloban','Tanauan','Tolosa','Tunga','Villaba'],'Maguindanao':['Barira','Buldon','Datu Anggal Midtimbang','Datu Blah T. Sinsuat','Datu Odin Sinsuat','Kabuntalan','Matanog','Northern Kabuntalan','Parang','Sultan Kudarat','Sultan Mastura','Sultan Sumagka','Upi'],'Marinduque':['Boac','Buenavista','Gasan','Mogpog','Santa Cruz','Torrijos'],'Masbate':['Aroroy','Baleno','Balud','Batuan','Cataingan','Cawayan','Claveria','Dimasalang','Esperanza','Mandaon','Masbate City','Milagros','Mobo','Monreal','Palanas','Pio V. Corpuz','Placer','San Fernando','San Jacinto','San Pascual','Uson'],'Metro Manila':['Caloocan','Las Piñas','Makati','Malabon','Mandaluyong','Manila','Marikina','Muntinlupa','Navotas','Parañaque','Pasay','Pasig','Pateros','Quezon City','San Juan','Taguig','Valenzuela'],'Misamis Occidental':['Aloran','Baliangao','Bonifacio','Calamba','Clarin','Concepcion','Don Victoriano Chiongbian','Jimenez','Lopez Jaena','Oroquieta','Ozamiz','Panaon','Plaridel','Sapang Dalaga','Sinacaban','Tangub','Tudela'],'Misamis Oriental':['Alubijid','Balingasag','Balingoan','Binuangan','Cagayan de Oro','Claveria','El Salvador','Gingoog','Gitagum','Initao','Jasaan','Kinoguitan','Lagonglong','Laguindingan','Libertad','Lugait','Magsaysay','Manticao','Medina','Naawan','Opol','Salay','Sugbongcogon','Tagoloan','Talisayan','Villanueva'],'Mountain Province':['Barlig','Bauko','Besao','Bontoc','Natonin','Paracelis','Sabangan','Sadanga','Sagada','Tadian'],'Negros Occidental':['Bacolod','Bago','Binalbagan','Cadiz','Calatrava','Candoni','Cauayan','Enrique B. Magalona','Escalante','Himamaylan','Hinigaran','Hinoba-an','Ilog','Isabela','Kabankalan','La Carlota','La Castellana','Manapla','Moises Padilla','Murcia','Pontevedra','Pulupandan','Sagay','Salvador Benedicto','San Carlos','San Enrique','Silay','Sipalay','Talisay','Toboso','Valladolid','Victorias'],'Negros Oriental':['Amlan','Ayungon','Bacong','Bais','Basay','Bayawan','Bindoy','Canlaon','Dauin','Dumaguete','Guihulngan','Jimalalud','La Libertad','Mabinay','Manjuyod','Pamplona','San Jose','Santa Catalina','Siaton','Sibulan','Tanjay','Tayasan','Valencia','Vallehermoso','Zamboanguita'],'Northern Samar':['Allen','Biri','Bobon','Capul','Catarman','Catubig','Gamay','Laoang','Lapinig','Las Navas','Lavezares','Lope de Vega','Mapanas','Mondragon','Palapag','Pambujan','Rosario','San Antonio','San Isidro','San Jose','San Roque','San Vicente','Silvino Lobos','Victoria'],'Nueva Ecija':['Aliaga','Bongabon','Cabanatuan','Cabiao','Carranglan','Cuyapo','Gabaldon','Gapan','General Mamerto Natividad','General Tinio','Guimba','Jaen','Laur','Licab','Llanera','Lupao','Muñoz','Nampicuan','Palayan','Pantabangan','Peñaranda','Quezon','Rizal','San Antonio','San Isidro','Cabaritan','San Leonardo','Santa Rosa','Santo Domingo','Talavera','Talugtug','Zaragoza'],'Nueva Vizcaya':['Alfonso Castañeda','Ambaguio','Aritao','Bagabag','Bambang','Bayombong','Diadi','Dupax del Norte','Dupax del Sur','Kasibu','Kayapa','Quezon','Santa Fe','Solano','Villaverde'],'Occidental Mindoro':['Abra de Ilog','Calintaan','Looc','Lubang','Magsaysay','Mamburao','Paluan','Rizal','Sablayan','San Jose','Santa Cruz'],'Oriental Mindoro':['Baco','Bansud','Bongabong','Bulalacao','Calapan','Gloria','Mansalay','Naujan','Pinamalayan','Pola','Puerto Galera','Roxas','San Teodoro','Socorro','Victoria'],'Palawan':['Aborlan','Agutaya','Araceli','Balabac','Bataraza','Brooke's Point','Busuanga','Cagayancillo','Coron','Culion','Cuyo','Dumaran','El Nido','Kalayaan','Linapacan','Magsaysay','Narra','Puerto Princesa','Quezon','Rizal','Roxas','San Vicente','Sofronio Española','Taytay'],'Pampanga':['Angeles','Apalit','Arayat','Bacolor','Candaba','Floridablanca','Guagua','Lubao','Mabalacat','Macabebe','Magalang','Masantol','Mexico','Minalin','Porac','San Fernando','San Luis','San Simon','Santa Ana','Santa Rita','Santo Tomas','Sasmuan'],'Pangasinan':['Agno','Aguilar','Alaminos','Alcala','Anda','Asingan','Balungao','Bani','Basista','Bautista','Bayambang','Binalonan','Binmaley','Bolinao','Bugallon','Burgos','Calasiao','Dasol','Dagupan','Dasol','Infanta','Labrador','Laoac','Lingayen','Mabini','Malasiqui','Manaoag','Mangaldan','Mangatarem','Mapandan','Natividad','Pozorrubio','Rosales','San Carlos','San Fabian','San Jacinto','San Manuel','San Nicolas','San Quintin','Santa Barbara','Santa Maria','Santo Tomas','Sison','Sual','Tayug','Umingan','Urbiztondo','Urdaneta','Villasis'],'Quezon':['Agdangan','Alabat','Atimonan','Buenavista','Burdeos','Calauag','Candelaria','Catanauan','Dolores','General Luna','General Nakar','Guinayangan','Gumaca','Infanta','Jomalig','Lopez','Lucban','Lucena','Macalelon','Mauban','Mulanay','Padre Burgos','Pagbilao','Panukulan','Patnanungan','Perez','Pitogo','Plaridel','Polillo','Quezon','Real','Sampaloc','San Andres','San Antonio','San Francisco','San Narciso','Sariaya','Tagkawayan','Tayabas','Tiaong','Unisan'],'Quirino':['Aglipay','Cabarroguis','Diffun','Maddela','Nagtipunan','Saguday'],'Rizal':['Angono','Antipolo','Baras','Binangonan','Cainta','Cardona','Jalajala','Morong','Pililla','Rodriguez','San Mateo','Tanay','Taytay','Teresa'],'Romblon':['Alcantara','Banton','Cajidiocan','Calatrava','Concepcion','Corcuera','Ferrol','Looc','Magdiwang','Odiongan','Romblon','San Agustin','San Andres','San Fernando','San Jose','Santa Fe','Santa Maria'],'Samar':['Almagro','Basey','Calbayog','Calbiga','Catbalogan','Daram','Gandara','Hinabangan','Jiabong','Marabut','Matuguinao','Motiong','Pagsanghan','Paranas','Pinabacdao','San Jorge','San Jose de Buan','San Sebastian','Santa Margarita','Santa Rita','Santo Niño','Tagapul-an','Talalora','Tarangnan','Villareal','Zumarraga'],'Sarangani':['Alabel','Glan','Kiamba','Maasim','Maitum','Malapatan','Malungon'],'Shariff Kabunsuan':['Barira','Buldon','Datu Blah T. Sinsuat','Datu Odin Sinsuat','Kabuntalan','Matanog','Northern Kabuntalan','Parang','Sultan Kudarat','Sultan Mastura','Upi'],'Siquijor':['Enrique Villanueva','Larena','Lazi','Maria','San Juan','Siquijor'],'Sorsogon':['Barcelona','Bulan','Bulusan','Casiguran','Castilla','Donsol','Gubat','Irosin','Juban','Magallanes','Matnog','Pilar','Prieto Diaz','Santa Magdalena','Sorsogon City'],'South Cotabato':['Banga','General Santos','Koronadal','Lake Sebu','Norala','Polomolok','Santo Niño','Surallah','T'Boli','Tampakan','Tantangan','Tupi'],'Southern Leyte':['Anahawan','Bontoc','Hinunangan','Hinundayan','Libagon','Liloan','Limasawa','Maasin','Macrohon','Malitbog','Padre Burgos','Pintuyan','Saint Bernard','San Francisco','San Juan','San Ricardo','Silago','Sogod','Tomas Oppus'],'Sultan Kudarat':['Bagumbayan','Columbio','Esperanza','Isulan','Kalamansig','Lambayong','Lebak','Lutayan','Palimbang','President Quirino','Senator Ninoy Aquino','Tacurong'],'Sulu':['Banguingui','Hadji Panglima Tahil','Indanan','Jolo','Kalingalan Caluang','Lugus','Luuk','Maimbung','Old Panamao','Omar','Pandami','Panglima Estino','Pangutaran','Parang','Pata','Patikul','Siasi','Talipao','Tapul'],'Surigao del Norte':['Alegria','Bacuag','Burgos','Claver','Dapa','Del Carmen','General Luna','Gigaquit','Mainit','Malimono','Pilar','Placer','San Benito','San Francisco','San Isidro','Santa Monica','Sison','Socorro','Surigao City','Tagana-an','Tubod'],'Surigao del Sur':['Barobo','Bayabas','Bislig','Cagwait','Cantilan','Carmen','Carrascal','Cortes','Hinatuan','Lanuza','Lianga','Lingig','Madrid','Marihatag','San Agustin','San Miguel','Tagbina','Tago','Tandag'],'Tarlac':['Anao','Bamban','Camiling','Capas','Concepcion','Gerona','La Paz','Mayantoc','Moncada','Paniqui','Pura','Ramos','San Clemente','San Jose','San Manuel','Santa Ignacia','Tarlac City','Victoria'],'Tawi-Tawi':['Bongao','Languyan','Mapun','Panglima Sugala','Sapa-Sapa','Sibutu','Simunul','Sitangkai','South Ubian','Tandubas','Turtle Islands'],'Zambales':['Botolan','Cabangan','Candelaria','Iba','Masinloc','Olongapo','Palauig','San Antonio','San Felipe','San Marcelino','San Narciso','Santa Cruz','Subic'],'Zamboanga del Norte':['Baliguian','Dapitan','Dipolog','Godod','Gutalac','Jose Dalman','Kalawit','Katipunan','La Libertad','Labason','Leon B. Postigo','Liloy','Manukan','Mutia','Piñan','Polanco','President Manuel A. Roxas','Rizal','Salug','Sergio Osmeña Sr.','Siayan','Sibuco','Sibutad','Sindangan','Siocon','Sirawai','Tampilisan'],'Zamboanga del Sur':['Aurora','Bayog','Dimataling','Dinas','Dumalinao','Dumingag','Guipos','Josefina','Kumalarang','Labangan','Lakewood','Lapuyan','Mahayag','Margosatubig','Midsalip','Molave','Pagadian','Pitogo','Ramon Magsaysay','San Miguel','San Pablo','Sominot','Tabina','Tambulig','Tigbao','Tukuran','Vincenzo A. Sagun','Zamboanga City'],'Zamboanga Sibugay':['Alicia','Buug','Diplahan','Imelda','Ipil','Kabasalan','Mabuhay','Malangas','Naga','Olutanga','Payao','Roseller Lim','Siay','Talusan','Titay','Tungawan'],}
var City=function(){this.p=[],this.c=[],this.a=[],this.e={};window.onerror=function(){return!0}
this.getProvinces=function(){for(let province in cities){this.p.push(province)}
return this.p}
this.getCities=function(province){if(province.length==0){console.error('Please input province name');return}
for(let i=0;i<=cities[province].length-1;i++){this.c.push(cities[province][i])}
return this.c}
this.getAllCities=function(){for(let i in cities){for(let j=0;j<=cities[i].length-1;j++){this.a.push(cities[i][j])}}
this.a.sort();return this.a}
this.showProvinces=function(element){var str='<option selected disabled>Select Province</option>';for(let i in this.getProvinces()){str+='<option>'+this.p[i]+'</option>'}
this.p=[];document.querySelector(element).innerHTML='';document.querySelector(element).innerHTML=str;this.e=element;return this}
this.showCities=function(province,element){var str='<option selected disabled>Select City / Municipality</option>';var elem='';if((province.indexOf(".")!==-1||province.indexOf("#")!==-1)){elem=province}
else{for(let i in this.getCities(province)){str+='<option>'+this.c[i]+'</option>'}
elem=element}
this.c=[];document.querySelector(elem).innerHTML='';document.querySelector(elem).innerHTML=str;document.querySelector(this.e).onchange=function(){var Obj=new City();Obj.showCities(this.value,elem)}
return this}}