whatwg/html

About the term "top-level-browsing-context"

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#2,322 创建于 2017年2月5日

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clarificationgood first issue

描述

In the spec:

A browsing context that is not a nested browsing context has no parent browsing context, and is the top-level browsing context of all the browsing contexts for which it is an ancestor browsing context.

I think I can't understand what it means very well,could you give some little example?Thanks a lot.

贡献者指南

技术栈
html
领域
documentation
议题类型
documentation
难度面向新贡献者的预计实现难度，1 表示很小改动，5 表示专家级工作。
2
预计时间有经验贡献者完成调查、实现、测试并准备 pull request 的粗略时间范围。
1-3 hours
活动状态议题当前的可参与程度：新鲜、活跃、陈旧、阻塞或等待维护者输入。
stale
清晰度议题是否清楚说明期望改动、验收标准和下一步。
mostly clear
前置要求
basic understanding of HTML browsing contexts
新手友好度1-100 的估计分数，表示该议题对首次贡献者的友好程度。
70
研究方向
The issue requests a clarifying example for the term 'top level browsing context' as defined in the HTML spec. Review the spec section and existing comments (5 total) for context. A good example could contrast nested browsing contexts (like iframes) with top level ones. The fix involves adding a simple explanatory note or example to the spec documentation.