SO - 19247601

HTML

<div id="list1">
    <ol id="olMediators"></ol>
</div>

<button type="button" id="getMediators">getMediators</button>

JavaScript

$(document).ready(function(){
    function getRandomNumber() {

    var items = ["Mediator 1", "Mediator 2", "Mediator 3", "Mediator 4", "Mediator 5", "Mediator 6", "Mediator 7", "Mediator 8", "Mediator 9"];

    var newitems = [];
    for (var i = 0; i < 5; i++) {
        var item = items[Math.floor(Math.random() * items.length)];


        $("#olMediators").append('<li>' + item + '</li>' + '<br/>');


    }
}

getRandomNumber();

$('#getMediators').click(function () {
$("#olMediators li").each(function(){
       alert($(this).text());
    });
    
});
});