ブロックを順番に表示させる

|javascript|
(function($) {
$(window).on(‘load’,function(){
var delaySpeed = 150;
var fadeSpeed = 1000;
var countTime = 0;
var callMethod = function(){
$(‘.brandStoryBlock’).each(function(i){
$(this).delay(i*(delaySpeed)).velocity({opacity:‘1’},fadeSpeed);
});
}
if($(‘body’).hasClass(‘sp’)){
countTime = 300;
}else{
countTime = 1000;
}
setTimeout(callMethod,countTime);
})

})(jQuery);
||<