js settimeout

function getElementsByClassName(n) {
var classElements = [], allElements = document.getElementsByTagName('*');
for (var i = 0; i < allElements.length; i++) {

if (allElements[i].className == n) {

classElements[classElements.length] = allElements[i];

}
}
return classElements;
}
function loaded() {
var ele = getElementsByClassName('myScrollbarH');
setTimeout(function () {

for (i = 0; i < ele.length; i++) {
var element = ele[i].id;
//alert(element);
new iScroll(element, {
scrollbarClass: 'myScrollbar'
});
}

}, 100);
}