<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title>js實現tab菜單動態(tài)切換效果</title>
<link href="css/index.css" rel="stylesheet" />
<script type="text/javascript">
function gel(id) {
return document.getElementById(id);
}
var arr = [
{ "title": "新聞", "content": "這是新聞頻道" },
{ "title": "財經", "content": "這是財經頻道" },
{ "title": "娛樂", "content": "這是娛樂頻道" },
{ "title": "體育", "content": "這是體育頻道" },
{ "title": "汽車", "content": "這是汽車頻道" },
{ "title": "視頻", "content": "這是視頻頻道" },
{ "title": "生活", "content": "這是生活頻道" }
];
window.onload = function() {
for (var i = 0; i < arr.length; i++) {
var liNew = document.createElement("li");
liNew.innerHTML = arr[i].title;
gel("tabNavi").appendChild(liNew);
//在這些li上面都綁定點擊事件，就需要給他們每一個賦一個屬性(最好是id)
liNew.setAttribute("id", i);
liNew.onclick = function () {
var navs = gel("tabNavi").childNodes;
//清除所有顏色
for (var j = 0; j < navs.length; j++) {
if (navs[j].nodeType == 1) {
navs[j].style.backgroundColor ="#008b8b";
}
}
this.style.backgroundColor = "red";
gel("content").innerHTML = arr[this.id].content;
};
}
};
</script>
</head>
<body>
<div id="contanier">
<ul id="tabNavi"></ul>
<div id="content" class="content"></div>
</div>
</body>
</html>
