about selection and range
摘要：
The fundamental difference is that aSelectionrepresents the user's selection, whileRangerepresents a continuous part of a documentindependently of any visual representation. ASelectioncan (almost) be expressed in terms of zero, one or moreRanges but Ranges can also be created and modified comple 阅读全文
posted @ 2011-12-07 15:40 argb 阅读(245) 评论(0) 推荐(0) 编辑
