var arr = new array() arr[1] = '<a class="wrapper" href="" title=""><img class="logo" id="id1" src="1.jpg"></a>' arr[2] = '<a class="wrapper" href="" title=""><img class="logo" id="id1" src="2.jpg"></a>' arr[3] = '<a class="wrapper" href="" title=""><img class="logo" id="id1" src="3.jpg"></a>' arr[4] = '<a class="wrapper" href="" title=""><img class="logo" id="id1" src="4.jpg"></a>' arr[5] = '<a class="wrapper" href="" title=""><img class="logo" id="id1" src="5.jpg"></a>' arr[6] = '<a class="wrapper" href="" title=""><img class="logo" id="id1" src="6.jpg"></a>' for (var i=0; i<arr.lenght; i++) { document.write(math.random(arr.lenght)); }
document.write(math.random()*arr.lenght);
document.write(arr[math.random()*arr.lenght]);
<!DOCTYPE HTML> <html> <head> <title>Untitled</title> </head> <body> <script> var arr = new Array() arr[1] = '<a class="wrapper" href="" title=""><img class="logo" id="id1" src="1.jpg">1</a>' arr[2] = '<a class="wrapper" href="" title=""><img class="logo" id="id1" src="2.jpg">2</a>' arr[3] = '<a class="wrapper" href="" title=""><img class="logo" id="id1" src="3.jpg">3</a>' arr[4] = '<a class="wrapper" href="" title=""><img class="logo" id="id1" src="4.jpg">4</a>' arr[5] = '<a class="wrapper" href="" title=""><img class="logo" id="id1" src="5.jpg">5</a>' arr[6] = '<a class="wrapper" href="" title=""><img class="logo" id="id1" src="6.jpg">6</a>' for (var i=0; i<arr.length; i++) { document.write(arr[Math.floor(Math.random()*(arr.length-1))+1]); } </script> </body> </html>