选取下拉框,显示对应的图片

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>魔兽世界八大种族</title>
<!-- 导入 jQuery 库 -->
<script type="text/javascript" src="jquery-1.7.2.js"></script>
<script type="text/javascript">
    
    $(function(){
        $("select").click(function(){
            var flag = this.value;
             $("img").attr("src",flag);
        });
        
        
    })
    
</script>
</head>
<body>
    <h1>魔兽世界八大种族</h1>
    <select>
        <option value="img/dwarves-small.jpg">矮人</option>
        <option value="img/gnomes-small.jpg">侏儒</option>
        <option value="img/humans-small.jpg">人类</option>
        <option value="img/nightelves-small.jpg">暗夜精灵</option>
        <option value="img/orcs-small.jpg">兽人</option>
        <option value="img/tauren-small.jpg">牛头人</option>
        <option value="img/trolls-small.jpg">巨魔</option>
        <option value="img/undead-small.jpg">亡灵</option>
    </select>
    <br><br>
    
    <img src="img/dwarves-small.jpg"">
</body>
</html>
<html>
<head>
<script type="text/javascript">
function show() {
document.getElementById("heading").src = document.getElementById("selection").value;
}
</script>

</head>
<body>
    魔兽世界八大人类<br><br>
<select id="selection" onchange="show()">
<option value="img/dwarves-small.jpg">矮人</option>
<option value="img/gnomes-small.jpg">侏儒</option>
<option value="img/humans-small.jpg">人类</option>
<option value="img/nightelves-small.jpg">暗夜精灵</option>
<option value="img/orcs-small.jpg">兽人</option>
<option value="img/tauren-small.jpg">牛头人</option>
<option value="img/trolls-small.jpg">巨魔</option>
<option value="img/undead-small.jpg">亡灵</option>
</select>
<br><br>
<img id="heading" src="img/dwarves-small.jpg" />
</body>
</html>

 

posted @ 2016-10-19 20:13  陆伟  阅读(5494)  评论(0编辑  收藏  举报