5星评分JS小实例
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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %><!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 runat="server"> <title></title></head><body onload="initEvent()"> <table id="tableRating"><tr><td>❤</td><td>❤</td><td>❤</td><td>❤</td><td>❤</td></tr></table></body></html><script type="text/javascript"> function initEvent() { var tableRating = document.getElementById('tableRating'); var tds = tableRating.getElementsByTagName('td'); for (var i = 0; i < tds.length; i++) { var td = tds[i]; td.onclick = TdOnclick; td.style.cursor = "pointer"; } } function indexof(arr, element) { for (var i = 0; i < arr.length; i++) { if (arr[i] == element) return i; } return -1; } function TdOnclick() { var tableRating = document.getElementById('tableRating'); var tds = tableRating.getElementsByTagName('td'); var index = indexof(tds, this); for (var i = 0; i <= index; i++) { tds[i].style.background = "red"; } for (var i = index + 1; i < tds.length; i++) { tds[i].style.background = "white"; } }</script>用JQ改进···········<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %><!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 runat="server"><script src="Js/jquery-1.6.2.js" type="text/javascript"></script><title></title></head><body><table id="ratings"><tr><td></td><td></td><td></td><td></td><td></td></tr></table></body></html><script type="text/javascript"> $(function () { $("#ratings td").html("☆").mouseover(function () { $("#ratings td").html("★"); $(this).nextAll().html("☆"); }); });</script>
