JSFiddle - React, Tailwind, and code Playground

by 1337

HTML

<select id="sel1" >
<option value="0" selected="selected">------</option>
<option value="1">Первый</option>
<option value="2">Второй </option>
<option value="3">Третий</option>
</select>
<select id="sel2" >
<option value="0" selected="selected">------</option>
<option value="1">Первый2</option>
<option value="2">Второй2 </option>
<option value="3">Третий2</option>
</select>
<select id="sel3" >
<option value="0" selected="selected">------</option>
<option value="1">Первый3</option>
<option value="2">Второй3 </option>
<option value="3">Третий3</option>
</select>
<input type="submit"  id="a1" value="Go"   />

JavaScript

$("input").prop('disabled', true);
$("select").change(function () {
    $("select option:selected").each(function () {

        if ($(this).val() > 0) {
             	$("input").prop('disabled', false);
                return false;
        }
        else
            	$("input").prop('disabled', true);
    
    });

});