这是一款js文字标签云类似缓缓上升气泡效果文字云标签动画代码。

使用方法

在页面引入相关JS代码

<script>
    window.onload = function() {
    var oDiv = document.getElementById('div1');
    var aA = document.getElementsByTagName('a');
    var i = 0;
    for (i = 0; i < aA.length; i++) {
        aA[i].pause = 1;
        aA[i].time = null;
        initialize(aA[i]);
        aA[i].onmouseover = function() {
            this.pause = 0;
        };
        aA[i].onmouseout = function() {
            this.pause = 1;
        };
    }
    setInterval(starmove, 50);
  
    function starmove() {
        for (i = 0; i < aA.length; i++) {
            if (aA[i].pause) {
                domove(aA[i]);
            }
        }
    }
  
    function domove(obj) {
        if (obj.offsetTop <= -obj.offsetHeight) {
            obj.style.top = oDiv.offsetHeight + "px";
            initialize(obj);
        } else {
            obj.style.top = obj.offsetTop - obj.ispeed + "px";
        }
    }
  
    function initialize(obj) {
        var iLeft = parseInt(Math.random() * oDiv.offsetWidth);
        var scale = Math.random() * 1 + 1;
        var iTimer = parseInt(Math.random() * 1500);
        obj.pause = 0;
  
        obj.style.fontSize = 12 * scale + 'px';
  
        if ((iLeft - obj.offsetWidth) > 0) {
            obj.style.left = iLeft - obj.offsetWidth + "px";
        } else {
            obj.style.left = iLeft + "px";
        }
        clearTimeout(obj.time);
        obj.time = setTimeout(function() {
            obj.pause = 1;
        }, iTimer);
        obj.ispeed = Math.ceil(Math.random() * 4) + 1;
    }
};
</script>

CSS样式

CSS样式自己可以随意修改，我只简单写了一些。

<style>
* {
    margin: 0px;
    margin: 0px;
}
body {
    background: #dddddd;
}
h1 {
    text-align: center;
    color: #7b7b7b;
    font-size: 30px;
    position: absolute;
    top: 100px;
    left: 50%;
    width: 300px;
    margin-left: -150px;
}
#div1 {
    position: relative;
    width: 990px;
    height: 260px;
    margin: 146px auto 0;
    overflow: hidden;
    box-shadow: 0 0 50px #8e8e8e;
    -webkit-box-shadow: 0 0 50px #8e8e8e;
    -moz-box-shadow: 0 0 50px #8e8e8e;
}
#div1 a {
    position: absolute;
    color: #8e8e8e;
    text-decoration: none;
    top: 260px;
    display: block;
    border: #8e8e8e 1px solid;
    box-shadow: 0 0 5px #8e8e8e;
    -webkit-box-shadow: 0 0 5px #8e8e8e;
    -moz-box-shadow: 0 0 5px #8e8e8e;
    background: #fff;
 filter: alpha(opacity: 30);
    opacity: 0.3;
    font-size: 14px;
    padding: 3px 5px;
    font-family: arial;
}
#div1 a:hover {
 filter: alpha(opacity: 100);
    opacity: 1;
    font-weight: bold;
    font-size: 16px;
}
</style>