Выпадающий список

       array of string|number:       [value = '']
array of object:              [variants]
string:   [placeholder = '']        
string:   [emptyValueTitle = '']
string:   [fieldname = 'select']        
boolean:  [required = true]
boolean:  [readonly = false]  
string:   [size]              ['small', default, 'medium', 'large']
string:   [color]             bulma colors ['link', 'primary', 'info', 'success', 'warning', 'danger'] for border      
boolean:  [valid = true]
string:   [class = '']        
function: [onchange]