Unverified50% confidenceFactExact time
Browsers enforce the Same-Origin Policy by default, allowing front-end JavaScript to only send requests to servers with the same protocol, domain name, and port.
1
Sources
50%
Confidence
Long-term
Relevance
8/17/2026
First Seen
Sources
Related Claims
UnverifiedBrowsers enforce strict Same-Origin Policy isolation on iframes, preventing iframes of different origins from directly accessing each other's DOM, cookies, or JavaScript variables.72% similarUnverifiedGitHub的raw.githubusercontent.com域名默认设置了Access-Control-Allow-Origin: *响应头，允许任何网页的JavaScript直接请求该域名下的文件60% similarUnverifiedIn the Next.js ecosystem, WebSocket is typically implemented via standalone WebSocket servers or built-in push mechanisms from tools such as Inngest.60% similarUnverifiedTraditional HTTP request-based crawlers (such as Python's requests library) can only retrieve raw HTML returned by the server and cannot execute JavaScript, thus failing to see dynamically loaded content.59% similarUnverified浏览器中的 JavaScript 拥有完整的 Web API 生态，而 Node.js 作为服务端运行时，天然不包含任何与 UI 或浏览器窗口相关的接口57% similar
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