我有一个javascript脚本,它会查找值和下拉列表,并根据值来更改下一个下拉菜单,但是这将不再适用于我,因为我需要将值传递给ruby,以便我可以将其保存在会话.
$(document).ready(function() {
$('#Exposures').bind('change', function() {
var elements = $('div.exposures').children().hide(); // hide all the elements
var value = $(this).val();
if (value.length) { // if something is selected
elements.filter('.' + value).show(); // show the ones we want
}
}).trigger('change');
$('.second-level-select').bind('change', function() {
var elements = $('div.second-level-container').children().hide(); // hide all the elements
var value = $(this).val();
if (value.length) { // if something is selected
elements.filter('.' + value).show(); // show the ones we want
}
}).trigger('change');
});<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.0.0/jquery.min.js"></script>
<select class="pmmargin3 exp" size="1" …