The function presented bellow can be used to shuffle /randomize array items in JavaScript.
// receive an array and return it with the items shuffled /randomized function shuffle(ar){ for(var j, x, i = ar.length; i; j = Math.floor(Math.random() * i), x = ar[--i], ar[i] = ar[j], ar[j] = x); return ar; }- Here is a simple example:
<h4>Example shuffle array in JavaScript</h4> <p>Initial array: ar1 = ['a', 'b', 'c', 1, 2, 3];</p> <button id='btntst'>Test Shuffle Array</button> <script> // receive an array and return it with the items shuffled /randomized function shuffle(ar){ for(var j, x, i = ar.length; i; j = Math.floor(Math.random() * i), x = ar[--i], ar[i] = ar[j], ar[j] = x); return ar; } var ar1 = ['a', 'b', 'c', 1, 2, 3]; //when click on the #btntst, show alert box with the items of ar1 document.getElementById('btntst').addEventListener('click', function(){ ar1 = shuffle(ar1); alert(ar1); }); </script>
<input type="date" name="set_date" value="2012-10-15" />
h2 { text-shadow: 2px 3px 3px #a0a1fe; }
var pags = ["lessons", "courses"]; pags.push("download", "tutorials"); alert(pags[2]); // download
$lang =[10=>"PHP", 20=>"JavaScript", "site"=>"coursesweb.net"); ksort($lang); var_export($lang); // array ("site"=>"coursesweb.net", 10=>"PHP", 20=>"JavaScript")