<div>
May i suggest using <a href="http://linqjs.codeplex.com/" rel="ugc">linq.js</a>? This is a nice library for dealing with arrays etc.:<br />
<br />
here is a sample code:<br />

<pre><code id="code-20-40237406-1">    var list = [1, 3, 5, 3, 7, 3, 1, 1, 5];
    var result = Enumerable.From(list)
    .GroupBy(
        function(x){
            return x
        },
        null,
        function(x,g){
            return {
                key:x,
                count:g.Count()
            }
        })
    .ToArray();</code></pre>
<br />
You may also check out this <a href="http://jsfiddle.net/cdx9C/" rel="ugc">fiddle</a>.<br />
<br />
Giannis
</div>


May i suggest using linq.js [http://linqjs.codeplex.com/]? This is a nice library for dealing with arrays etc.:

here is a sample code:


    var list = [1, 3, 5, 3, 7, 3, 1, 1, 5];
    var result = Enumerable.From(list)
    .GroupBy(
        function(x){
            return x
        },
        null,
        function(x,g){
            return {
                key:x,
                count:g.Count()
            }
        })
    .ToArray();


You may also check out this fiddle [http://jsfiddle.net/cdx9C/].

Giannis

<div>
Had to go with pure JS and this worked!<br />
<br />
Thanks!
</div>


Had to go with pure JS and this worked!

Thanks!

<div>
<div class="content wysiwyg-content">
I've got to write a function that returns distinct values in an array and their counts. So if my list of values is &nbsp;is &quot;1 3 5 3 7 3 1 1 5&quot;, then I need to return: &quot;1(3) 3(3) 5(2) 7(1)&quot;<br />
<br />
How?
</div>
</div>


I've got to write a function that returns distinct values in an array and their counts. So if my list of values is  is "1 3 5 3 7 3 1 1 5", then I need to return: "1(3) 3(3) 5(2) 7(1)"

How?

How do I return distinct values and their counts in an array?

JavaScript is a dynamic, object-based language commonly used for client-side scripting in web browsers. Recently, server side JavaScript frameworks have also emerged. JavaScript runs on nearly every operating system and  in almost every mainstream web browser.