本文實例講述了javascript實現Table間隔色以及選擇高亮(和動態切換數據)的方法。分享給大家供大家參考。具體實現方法如下：
<!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>Table間隔色以及選擇高亮(和動態切換數據)</title>
<script type="text/javascript">
var Datas1 = {
"李莫": "畢業於清華大學",
"周平": "畢業於北京大學",
"羅達": "畢業於哈爾濱大學",
"鄭朵": "畢業於河南大學",
"王天": "畢業於湖南大學"
};
var Datas2 = {
"": "http://www.jb51.net",
"搜狐網": "http://www.souhu.com",
"CSDN程序員開發網站": "http://www.csdn.net",
"百度": "http://www.baidu.com",
"網易": "http://www.163.com"
};
function ToggleData() {
var btn = document.getElementById("btnToggle");
if (btn.value == "數據1") {
loadData(Datas1, "數據2");
}
else {
loadData(Datas2, "數據1");
}
}
function loadData(Datas,btnValue) {
var tblMain = document.getElementById("tblMain");
//清空table數據
var trs = tblMain.getElementsByTagName("tr");
var trsLen = trs.length;
//必須先把trs的長度存放到一個變量中
for (var i = 0; i < trsLen; i++) {
tblMain.deleteRow(0);
}
var nIndex = 0;
for (var key in Datas) {
var tr = tblMain.insertRow(-1);
tr.onmouseover = trMouseOver;
tr.onmouseout = trMouseOut;
var td1 = tr.insertCell(-1);
td1.innerHTML = key;
var td2 = tr.insertCell(-1);
td2.innerHTML = Datas[key];
if (nIndex % 2 == 0) { //設置間隔色
tr.style.background = "yellow";
}
else {
tr.style.background = "white";
}
nIndex++;
}
var btn = document.getElementById("btnToggle");
btn.value = btnValue;
}
function trMouseOver() {
var tblMain = document.getElementById("tblMain");
//清空數據
var trs = tblMain.getElementsByTagName("tr");
for (var i = 0; i < trs.length; i++) {
if (this == trs[i]) {
trs[i].style.background = "green";
}
}
}
function trMouseOut() {
var tblMain = document.getElementById("tblMain");
var trs = tblMain.getElementsByTagName("tr");
for (var i = 0; i < trs.length; i++) {
if (i % 2 ==0) {
trs[i].style.background = "yellow";
}
else {
trs[i].style.background = "white";
}
}
}
function iniEvent() {
loadData(Datas1, "數據2");
}
</script>
</head>
<body onload="iniEvent()">
<table id="tblMain">
<tbody></tbody>
</table>
<input type ="button" id="btnToggle" value="數據2"
onclick="ToggleData()" />
</body>
</html>
希望本文所述對大家的javascript程序設計有所幫助。