How To Select Option When After Select An Option?

I want to select the option city_id only 2 when after select a country value is = 1 , But I did not successfully. HTML: Solution 1: As it contains laravel blade syntax, you should add laravel tag as well, helps in better search results. So, moving to question, I have taken a json response as test case. In your controller, you can pass the json object to jquery.(or use ajax to get json response.) For example I have used this data sample.$arr = ['usa' => ['usa state1' => ["usa state1 city1", "usa state1 city2", "usa state1 city3"], 'usa state2' => ["usa state2 city1", "usa state2 city2", "usa state2 city3"], 'usa state3' => ["usa state3 city1", "usa state3 city2", "usa state3 city3"] ], 'canada' => ['canada state1' => ["canada state1 city1", "canada state1 city2", "canada state1 city3"], 'canada state2' => ["canada state2 city1", "canada state2 city2", "canada state2 city3"], 'canada state3' => ["canada state3 city1", "canada state3 city2", "canada state3 city3"] ], 'mexico' => ['mexico state1' => ["mexico state1 city1", "mexico state1 city2", "mexico state1 city3"], 'mexico state2' => ["mexico state2 city1", "mexico state2 city2", "mexico state2 city3"], 'mexico state3' => ["mexico state3 city1", "mexico state3 city2", "mexico state3 city3"] ] ]; echo json_encode($arr); CopyIt gives the json response as{"usa":{"usa state1":["usa state1 city1","usa state1 city2","usa state1 city3"],"usa state2":["usa state2 city1","usa state2 city2","usa state2 city3"],"usa state3":["usa state3 city1","usa state3 city2","usa state3 city3"]},"canada":{"canada state1":["canada state1 city1","canada state1 city2","canada state1 city3"],"canada state2":["canada state2 city1","canada state2 city2","canada state2 city3"],"canada state3":["canada state3 city1","canada state3 city2","canada state3 city3"]},"mexico":{"mexico state1":["mexico state1 city1","mexico state1 city2","mexico state1 city3"],"mexico state2":["mexico state2 city1","mexico state2 city2","mexico state2 city3"],"mexico state3":["mexico state3 city1","mexico state3 city2","mexico state3 city3"]}}CopySo passing it to jqueryHTML<select id="country"><option>Select a country</option></select> <select id="states"><option>Select a state</option></select> <select id="city"><option>Select a city</option></select> CopyJquerydata = JSON.parse('{"usa":{"usa_state1":["usa state1 city1","usa state1 city2","usa state1 city3"],"usa_state2":["usa state2 city1","usa state2 city2","usa state2 city3"],"usa_state3":["usa state3 city1","usa state3 city2","usa state3 city3"]},"canada":{"canada_state1":["canada state1 city1","canada state1 city2","canada state1 city3"],"canada_state2":["canada state2 city1","canada state2 city2","canada state2 city3"],"canada_state3":["canada state3 city1","canada state3 city2","canada state3 city3"]},"mexico":{"mexico_state1":["mexico state1 city1","mexico state1 city2","mexico state1 city3"],"mexico_state2":["mexico state2 city1","mexico state2 city2","mexico state2 city3"],"mexico_state3":["mexico state3 city1","mexico state3 city2","mexico state3 city3"]}}') $.each(data, function (index, item) { /* console.log(index) */; $('#country').append('<option value=' + index + '>' + index + '</option>'); }); var selectedcountry = ""; $(document).ready(function () { $("#country").change(function () { if($('#country').val() != 'Select a country'){ $('#states').empty(); if($('#states').val() != 'Select a state') $('#states').append('<option>Select a state</option>'); $('#city').empty(); if($('#city').val() != 'Select a city') $('#city').append('<option>Select a city</option>'); var country = $("#country option:selected").val(); /* console.log(value,data[value]) */; $.each(data[country], function (index, item) { /* console.log(index,data["usa"]["usa_state1"]) */; $('#states').append('<option value=' + index + '>' + index + '</option>');}); selectedcountry = country; }else{ $('#states').empty().append('<option>Select a state</option>'); $('#city').empty().append('<option>Select a city</option>'); } }); $("#states").change(function () { $('#city').empty(); if($('#states').val() != 'Select a state'){ var states = $("#states option:selected").val(); $.each(data[selectedcountry][states], function (index, item) { $('#city').append('<option value=' + item + '>' + item + '</option>'); }); }else{ $('#city').append('<option>Select a city</option>'); } }); }); CopyYou can find demo(jsfiddle)Solution 2: try this:$('#city_id option[value=2]').attr('selected','selected'); CopySolution 3: $(document).on('change', '#country_id', function() { var country_id = $(this).val(); if ( 1 == country_id ) { $('#city_id').val('2').change(); } } Copy Share Post a Comment for "How To Select Option When After Select An Option?" 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