Go Premium for a chance to win a PS4. Enter to Win

x
?
Solved

how to sort drop down values

Posted on 2014-12-09
3
Medium Priority
?
84 Views
Last Modified: 2014-12-14
Hi i have drop down value


like <select name="x" id="x">
                <option selected="selected">Sathish</option>
             <option >vijay</option>
              <option >Fox</option>
                 <option >Ajith</option>
 <option >David</option>
</selected>

how to sort this drop down ?
0
Comment
3 Comments
 
LVL 25

Accepted Solution

by:
Lee Savidge earned 2000 total points
ID: 40488658
Well, if you're using jQuery, then you can use one of the multitude of examples on the web. I've used this one here:

http://codepen.io/AlexBezuska/pen/kCwvJ

var sortSelect = function (select, attr, order) {
    if(attr === 'text'){
        if(order === 'asc'){
            $(select).html($(select).children('option').sort(function (x, y) {
                return $(x).text().toUpperCase() < $(y).text().toUpperCase() ? -1 : 1;
            }));
            $(select).get(0).selectedIndex = 0;
            e.preventDefault();
        }// end asc
        if(order === 'desc'){
            $(select).html($(select).children('option').sort(function (y, x) {
                return $(x).text().toUpperCase() < $(y).text().toUpperCase() ? -1 : 1;
            }));
            $(select).get(0).selectedIndex = 0;
            e.preventDefault();
        }// end desc
    }

};

//, attr, order
$(document).ready(function () {

    $('#btnSort').click(function (e) {

        sortSelect('#x', 'text', 'asc');

    }); // event listener click

});

Open in new window

0
 
LVL 143

Expert Comment

by:Guy Hengel [angelIII / a3]
ID: 40488660
unless the data comes from a db query and you build the list dynamically, the only way to sort is to sort them in the html code as such. maybe you could find some javascript to do this "after the page loaded", but I would highly recommend against such a technique...
0
 
LVL 30

Expert Comment

by:Alexandre Simões
ID: 40488869
If you use underscorejs you can do it with as little code as this:
var options = $('#x option');
var sorted = _.sortBy(options, function(item){
  return item.innerHTML;
});
$('#x').html(sorted);

Open in new window


Here's a working demo: http://plnkr.co/edit/re5RKeN2UcRAf7WRuxa5?p=preview

Although if you have the option, get it sorted right out of the database.
0

Featured Post

Concerto Cloud for Software Providers & ISVs

Can Concerto Cloud Services help you focus on evolving your application offerings, while delivering the best cloud experience to your customers? From DevOps to revenue models and customer support, the answer is yes!

Learn how Concerto can help you.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

I found this questions asking how to do this in many different forums, so I will describe here how to implement a solution using PHP and AJAX. The logical flow for the problem should be: Write an event handler for the first drop down box to get …
How to build a simple, quick and effective accordion menu using just 15 lines of jQuery and 2 css classes
The viewer will learn how to dynamically set the form action using jQuery.
The viewer will learn the basics of jQuery, including how to invoke it on a web page. Reference your jQuery libraries: (CODE) Include your new external js/jQuery file: (CODE) Write your first lines of code to setup your site for jQuery.: (CODE)
Suggested Courses

963 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question