select - Set selected value jQuery dropdownlist -


i trying set selected value in dropdownlist using jquery, have this:

 $('.option_vehiculo', '#form_login').each(function()  {     if (this.id == tipo_vehiculo_def)     {          this.value = "option";     };   });

.option_vehiculo class give dropdownlists can find them quickly.

i iterate through form dropdownlists until find 1 want modify. finding select want change works fine, can't set selected value, tried doing input fields:

this.value = "option";

where option option inside dropdownlist, dropdownlist no selected value, appears no text inside , possibility select 1 of available options.

how set selected value of jquery dropdownlist?

attempts: tried this, getting no results , not sure if can use 'this' variable object want modify:

this.val("option");

tried this:

$('#tipo_vehiculo_1000').val("4"); var test = $('#tipo_vehiculo_1000').val();

selecting dropdownlist id , trying change selected option , outputting later , keeps giving me default value "0".

instead of iterating through of them can use id value in jquery selector

 $('#'+tipo_vehiculo_def).val('option')

this assumes have option tag in select value="option". assumes since id's must unique in page haven't duplicated id's


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