代码示例:(标识:htmldom_anchor_download_2)
<!DOCTYPE html>
<html>
<body>

<h1>Anchor 对象</h1>

<h2>download 属性</h2>

<a id="myAnchor" href="/logo.png" download="logo">
<img src="/logo.png" alt="(www.sou-xun.com)" width="180" height="167">
</a>

<p>download 属性的值是:</p>
<p id="demo"></p>

<script>
document.getElementById("myAnchor").download = "newValue";
document.getElementById("demo").innerHTML = document.getElementById("myAnchor").download;
</script>

</body>
</html>
运行结果: