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javascript鼠标滑动评分控件完整实例

  作者：bea

本文实例讲述了javascript鼠标滑动评分控件。分享给大家供大家参考。具体实现方法如下： <html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>javascript鼠标滑动控件</title><script t

本文实例讲述了javascript鼠标滑动评分控件。分享给大家供大家参考。具体实现方法如下：




<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>javascript鼠标滑动控件</title>

<script type="text/javascript">

function ArrayIndexof(arr, inElement) {

  for (var i = 0; i < arr.length; i++) {

 if (arr[i] == inElement) {

   return i;

 }

  }

  return -1;

}

function GetTDS() {

  var tbl = document.getElementById("tblMain");

  var tds = tbl.getElementsByTagName("td");

  return tds;      

}

function iniEvent() {

  var tds = GetTDS();

  for (var i = 0; i < tds.length; i++) {

 td = tds[i];

 td.onmouseover = TdOnMouseOver;

  }

  var tbl = document.getElementById("tblMain");

  tbl.onmouseout = TableMouseOut;

}

function SetRating(tdTmp) {

  var tds = GetTDS();

  var index = ArrayIndexof(tds, tdTmp);

  for (var i = 0; i <= index; i++) {

 td = tds[i];

 td.innerHTML = "★";

  }

  for (var i = index + 1; i < tds.length; i++) {

 td = tds[i];

 td.innerHTML = "☆";

  }

}

function TdOnMouseOver() {

  SetRating(this);

}

//鼠标离开表格后自动清除

function TableMouseOut() {

  var tds = GetTDS();

  for (var i = 0; i < tds.length; i++) {

 td = tds[i];

 td.innerHTML = "☆";         

  }

}

</script>

</head>

<body onload="iniEvent()">

<table id="tblMain" border="1">

<tr>

  <td>☆</td>

  <td>☆</td>

  <td>☆</td>

  <td>☆</td>

  <td>☆</td>

</tr>

</table>

</body>

</html>


希望本文所述对大家的javascript程序设计有所帮助。




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