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/selection/collapse/index.html | 71 +++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 files/zh-cn/web/api/selection/collapse/index.html (limited to 'files/zh-cn/web/api/selection/collapse/index.html') diff --git a/files/zh-cn/web/api/selection/collapse/index.html b/files/zh-cn/web/api/selection/collapse/index.html new file mode 100644 index 0000000000..80a526f1fb --- /dev/null +++ b/files/zh-cn/web/api/selection/collapse/index.html @@ -0,0 +1,71 @@ +--- +title: Selection.collapse() +slug: Web/API/Selection/collapse +tags: + - API + - HTML Editing + - Method + - Selection +translation_of: Web/API/Selection/collapse +--- +
{{ApiRef("DOM")}}{{SeeCompatTable}}
+ +

 Selection.collapse() 方法可以收起当前选区到一个点。文档不会发生改变。如果选区的内容是可编辑的并且焦点落在上面,则光标会在该处闪烁。

+ +

语法

+ +
sel.collapse(parentNode, offset);
+
+ +

参数

+ +
+
parentNode
+
光标落在的目标节点。
+
+ +
+
offset {{optional_inline}}
+
落在节点的偏移量。
+
+ +

例子

+ +
/* 将光标收起到文档body的开头 */
+var body = document.getElementsByTagName("body")[0];
+window.getSelection().collapse(body,0);
+
+ +

规范

+ + + + + + + + + + + + + + + + + + + +
规范状态备注
{{SpecName('Selection API', '#widl-Selection-collapse-void-Node-node-unsigned-long-offset', 'Selection.collapse()')}}{{Spec2('Selection API')}} 
{{SpecName('HTML Editing', '#dom-selection-collapse', 'Selection.collapse()')}}{{Spec2('HTML Editing')}}Initial definition
+ +

浏览器兼容性

+ +
{{Compat("api.Selection.collapse")}}
+ +
 
+ +

相关连接

+ + -- cgit v1.2.3-54-g00ecf