<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style type="text/css">
#app{
width: 500px;height: 300px;margin: 100px auto;border: 1px solid #ccc;
writing-mode:vertical-rl; /* 垂直方向自右向左 */
/* writing-mode:vertical-lr; // 垂直方向自左向右 */
/* transition: opacity .5s; */
}
</style>
</head>
<body>
<div id="app" class="wrapper"></div>
<script type="text/javascript" src="./jquery.js"></script>
<script>
var data = ['如果季节更替','树叶落地','银色满际','没能走回原地','我在做个梦给你','梦见我们相遇','没有话题满眼笑意','真的再见到你','再次拥抱你在怀里'];
var wrapper = document.getElementsByClassName('wrapper')[0];
var delayCol = 0;
for(var i=0; i<data.length; i++){
var str = data[i];
var op = document.createElement('p');
for(var j=0; j< str.length; j++){
var ospan = document.createElement('span');
ospan.innerText = str[j];
ospan.style.opacity = 0;
op.appendChild(ospan);
ospan.style.transitionDelay = delayCol + 0.3 * j + 's';
ospan.style.transitionDuration = 400 + 'ms';
(function(ospan){
setTimeout(function(){
ospan.style.opacity = 1;
},300)
})(ospan)
}
delayCol+=str.length* 0.4;
wrapper.appendChild(op);
}
</script>
</body>
</html>
