给 keyword 文本框添加 OnKeyUp 事件，就是在用户松开键盘按键的那一刻触发逻辑，这比 OnClick 更贴近真实搜索的“边输入边联想”体验。 OnFocus 和 OnLostFocus 常用于显示和隐藏提示文字、校验输入框是否为空，典型场景是登录框获得焦点时清空占位符。
open 不带 URL 时提供一次"干净的启动"：你注册的任何拦截规则、Cookie 或 init 脚本都会在 第一次真实导航 时生效。典型用法包括 SSR-only 调试（ --resource-type script ）、受保护域名的认证，以及在无历史页面噪声的情况下抓取新鲜的 react suspense / vitals 状态。
This open-source curriculum introduces the fundamentals of Model Context Protocol (MCP) through real-world, cross-language examples in .NET, Java, TypeScript, JavaScript, Rust and Python. Designed for ...
In a world defined by polycrisis, leaders are trying to ...
The IRS recognizes Fair Observer as a section 501(c)(3) registered public charity (EIN: 46-4070943), enabling you to claim a tax deduction.
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