From 33058f2b292b3a581333bdfb21b8f671898c5060 Mon Sep 17 00:00:00 2001 From: Peter Bengtsson Date: Tue, 8 Dec 2020 14:40:17 -0500 Subject: initial commit --- files/zh-cn/web/api/resizeobserverentry/index.html | 60 ++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 files/zh-cn/web/api/resizeobserverentry/index.html (limited to 'files/zh-cn/web/api/resizeobserverentry') diff --git a/files/zh-cn/web/api/resizeobserverentry/index.html b/files/zh-cn/web/api/resizeobserverentry/index.html new file mode 100644 index 0000000000..e3aa5fede9 --- /dev/null +++ b/files/zh-cn/web/api/resizeobserverentry/index.html @@ -0,0 +1,60 @@ +--- +title: ResizeObserverEntry +slug: Web/API/ResizeObserverEntry +translation_of: Web/API/ResizeObserverEntry +--- +
{{APIRef("Resize Observer API")}}{{SeeCompatTable}}
+ +

ResizeObserverEntry 接口是传递给{{domxref('ResizeObserver.ResizeObserver','ResizeObserver()')}} 构造器回调函数中的参数对象。

+ +

属性

+ +
+
{{domxref('ResizeObserverEntry.contentRect')}} {{experimental_inline}} {{readonlyinline}}
+
对改变尺寸大小的元素的 {{domxref('DOMRectReadOnly')}}引用(包含x,y,width,height,top,right,bottom,left属性)。
+
{{domxref('ResizeObserverEntry.target')}} {{experimental_inline}} {{readonlyinline}}
+
当前改变尺寸大小的元素的 {{domxref('Element')}} 引用
+
 
+
+ +

事件

+ +

+ +

方法

+ +

无.

+ +

示例

+ +

以下示例通过观察box的宽度变化从而改变其边框圆角半径。

+ +
const resizeOserver = new ResizeObserver(entries => {
+  for (let entry of entries) {
+    entry.target.style.borderRadius = Math.max(0, 250 - entry.contentRect.width) + 'px';
+  }
+});
+resizeObserver.observe(document.querySelector('.box:nth-child(2)'));
+ +

规范

+ + + + + + + + + + + + + + +
SpecificationStatusComment
{{SpecName('Resize Observer','#resize-observer-entry-interface','ResizeObserverEntry')}}{{Spec2('Resize Observer')}}Initial definition.
+ +

浏览器兼容性

+ + + +

{{Compat("api.ResizeObserverEntry")}}

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