<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>
文字跳动特效-vico
</title>
<style type="text/css">
#txtDom{ padding: 50px; 500px; margin: 0 auto; font-size: 16px;
font-family: "微软雅黑"; line-height: 1.3em; text-indent: 2em;}
</style>
</head>
<body>
<div id="txtDom">
要是没有错误和失败，你就不会学到东西；要是没有痛苦，你就不会长大。
一旦你明白了这些，你就知道了一切事情都是为了某种目的而发生。
所以不要紧张或者认为生活不公平，因为一切事情都有原因，只有时间能诉说教会了我们什么。
</div>
<script type="text/javascript">
var txtAnim = {
len: 0,
txtDom: "",
arrTxt: [],
init: function(obj) {
this.obj = obj;
this.txtDom = obj.innerHTML.replace(/s+/g, "");
this.len = this.txtDom.length;
obj.innerHTML = "";
this.addDom();
},
addDom: function() {
for (var i = 0; i < this.len; i++) {
var spanDom = document.createElement("span");
spanDom.innerHTML = this.txtDom.substring(i, i + 1);
this.obj.appendChild(spanDom);
this.arrTxt.push(spanDom);
};
for (var j = 0; j < this.len; j++) {
this.arrTxt[j].style.position = "relative";
};
this.strat();
},
strat: function() {
for (var i = 0; i < this.len; i++) {
this.arrTxt[i].onmouseover = function() {
this.stop = 0;
this.speed = -1;
var $this = this;
this.timer = setInterval(function() {
$this.stop += $this.speed; //0 += -1
if ($this.stop <= -20) {
$this.speed = 1;
}
$this.style.top = $this.stop + "px";
if ($this.stop >= 0) {
clearInterval($this.timer)
$this.style.top = 0 + "px";
};
},
15);
};
}
}
}
var txtDom = document.getElementById("txtDom");
txtAnim.init(txtDom);
</script>
</body>
</html>