这篇文章主要介绍如何使用JS实现仿百度文库评分功能，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！
具体代码如下所示：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>无标题文档</title><link href="http://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"><link href="http://cdn.bootcss.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet"><style>*{padding:0;margin:0;}#content{width:700px;height:50px;border:1px solid #ccc;margin:50px auto;line-height:50px;}#content span.title{display:line-block;width:100px;height:50px;line-height:50px;font-size:20px;font-weight:bold;color:#FF9933;}#content ul.stars {display:inline-block;width:160px;height:50px;line-height:50px;cursor:pointer;}#content ul.stars li {font-size:30px;color:#ccc;}#content p {display:inline-block;width:80px;height:50px;line-height:50px;font-size:20px;font-weight:bold;color:#ff9933;}#content .tip{display:inline-block;height:45px;border:1px #ccc red;background:#FFFFCC; visibility:hidden;}#content .tip span {display:inline-block;height:40px;line-height:40px;padding:0px 10px;;}#content .tip ul {display:inline-block;position:relative;}#content .tip ul i{position:absolute;top:70%;right:18%;}.red {color:red;margin-left:10px;}.orange{color:orange;}</style><script>window.onload = function () { var content = document.getElementById('content'); var score = document.getElementById('score'); var oUl = content.getElementsByClassName('stars')[0]; var aLi = oUl.getElementsByTagName('li'); var tip = content.getElementsByClassName('tip')[0]; var arr = ['较差','较差','还行','推荐','力荐']; oUl.onmouseover = function(){ tip.style.visibility = 'visible'; } oUl.onmouseout = function(){ tip.style.visibility = 'hidden'; } for( var i=0;i<aLi.length;i++ ){ aLi[i].index = i; aLi[i].onclick = function () { mark(this.index); oUl.index = this.index; } aLi[i].onmouseover = function(){ for( var i=0;i<aLi.length;i++ ){ aLi[i].style.color = '#ccc'; } mark(this.index); } aLi[i].onmouseout = function(){ for( var i=0;i<=this.index;i++ ){ aLi[i].style.color = '#ccc'; } if(oUl.index !== 'undefined'){ mark(parseInt(oUl.index)); } } } function show() { tip.style.visibility = tip.style.visibility === 'hidden' ? 'visible' : 'hidden'; } function mark(index) { for( var i=0;i<=index;i++ ){ aLi[i].style.color = index < 2 ? 'gray' : 'orange'; } score.innerHTML = arr[index] ? arr[index] : '待评价'; }}</script></head><body><div id="content"> <span class="title"><i class="red">* </i>总体评价：</span> <ul class="stars"> <li class="fa fa-star"></li> <li class="fa fa-star"></li> <li class="fa fa-star"></li> <li class="fa fa-star"></li> <li class="fa fa-star"></li> </ul> <p id="score">待评价</p> <div class="tip"> <span>小提示：点击小星星可以打分</span> <ul> <li class="fa fa-star orange"></li> <li class="fa fa-star orange"></li> <li class="fa fa-star orange"></li> <li class="fa fa-star orange"></li> <li class="fa fa-star-o"></li> <i class="fa fa-hand-pointer-o"></i> </ul> </div></div></body></html>
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