How to programmatically select option in a HTML list using jQuery?

This is very simple solution to select specified option in a HTML select list.

You just need to use the val function on a select element to set it’s value. It’s simple like that:

$('select#identificator').val('value of existing option value');

Check working example on the JSFiddle:

How to check visibility state in jQuery toggle function?

Here is a quick tip how to check visibility state of a toggled element in jQuery:

$('#element').toggle('slow', function() {
  if($(this).is(':hidden')) {
    $(this).text('This element is hidden.');
  else {
    $(this).text('This element is visible.');