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只读属性 Range.endOffset 返回代表 Range 结束位置在 Range.endContainer 中的偏移值的数字。
如果 endContainer 的 Node 类型为 Text, Comment，或 CDATASection，偏移值是 endContainer 节点开头到 Range 末尾的总字符个数。对其他类型的 Node ， endOffset 指 endContainer 开头到 Range 末尾的总 Node 个数。这是个只读属性，要改变它， 请使用 Range.setEnd 方法。
Syntax
endRangeOffset = range.endOffset;
Example
var range = document.createRange(); range.setStart(startNode,startOffset); range.setEnd(endNode,endOffset); endRangeOffset = range.endOffset;
Specifications
| Specification | Status | Comment |
|---|---|---|
| DOM Range.endOffset |
Living Standard | No change. |
| Document Object Model (DOM) Level 2 Traversal and Range Specification Range.endOffset |
Obsolete | Initial specification. |
Browser compatibility
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| Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support | (Yes) | (Yes) | 1.0 (1.7 or earlier) | 9.0 | 9.0 | (Yes) |
| Feature | Android | Edge | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support | (Yes) | (Yes) | 1.0 (1.0) | 9.0 | 9.0 | (Yes) |