html运行实例（jsck_doc_images

代码示例：（标识：jsck_doc_images_1）

<!DOCTYPE html>
<html>
<body>

<h1>Document 对象</h1>

<h2>images 属性</h2>

<img src="/static/demo/images/tulip.jpg" alt="flower" width="180" height="180">
<img src="/static/demo/images/tulip-2.jpg" alt="flower" width="180" height="180">
<img src="/static/demo/images/flower.gif" alt="flower" width="180" height="180">

<p>图片数量为：</p>

<p id="demo"></p>

<script>
let numb = document.images.length;
document.getElementById("demo").innerHTML = numb;
</script>

</body>
</html>