update readme & demo

yue1123 · Mar 1, 2021 · 91c49f5 · 91c49f5
1 parent 3524681
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diff --git a/README.md b/README.md
@@ -35,3 +35,15 @@ const a = new ImgPreviewer('body')
 | min  | 最小缩放比例           | 0.1(10%) |
 | max  | 最大缩放比例           | 5(500%)  |
 | step | 滚轮每次滚动变化的比例 | 0.1      |
+
+# 更新图片
+
+一些动态更新图片列表使用
+
+```js
+const a = new ImgPreviewer('body', {
+	scrollbar: true
+})
+//
+a.update()
+```
diff --git a/demo/index.html b/demo/index.html
@@ -28,6 +28,7 @@
 	</head>
 	<body>
 		<h1>simple demo</h1>
+		<a href="https://github.com/yue1123/img-previewer">gitHub</a>
 		<h3>update images</h3>
 		<button id="add">添加一张</button>
 		<br />