可辨识联合（Disjoint Union，又称 variant / tagged union）是 Flow 在 0.13.1 版本引入的核心类型能力：它允许开发者用一组由"哨兵属性"（sentinel）区分的对象类型描述不同形态的数据，并借助 === 等动态检查让 Flow 自动收窄（narrow）对象的可能形态。本文将以官方博客 ...

导读：IIFE（Immediately Invoked Function Expression，立即调用函数表达式）是 JavaScript 中最经典也最常被误解的函数技巧之一。本文以 iife.md为骨架，结合本仓库中 arrow-functions.md、closures.md、use-strict.md等相关章节与源码级细节，系统拆解 IIFE 的语法构成、执行时机、作用 ...

Continuing my JavaScript learning today by exploring DOM Village. After descending from the Asynchronous Volcano and entering ...

Hiding his identity behind his clients’ myGov accounts, one tax preparer has been caught red-handed and made $150,000 poorer ...

Qin Weijin, a longtime supporter of fellow human rights lawyers, is challenging the revocation of his law license after a 30-month prison sentence.

OTTAWA — Parliamentarians are back in Ottawa where debate is set to continue on the government's 243-page economic and labour ...

Small Prophets – the hit BBC comedy conjured up by Mackenzie Crook – is to return for a second series following its stellar first run. Starring Mackenzie Crook, Sir Michael Pa ...

When Kawhi Leonard returned to the Toronto Raptors, expectations around the team grew exponentially. Suddenly a deep ...

The secretary of state, who did not provide further details, was speaking to US media after five men arrested on suspicion of ...

Two homes belonging to the al-Tubasi family were set on fire and Israeli security forces were also targeted by settlers.

Christa Pike’s lawyer says his client has suffered serious punishment for the murder she carried out, and that Tennessee’s governor should take the possibility of another execution off the table after ...

Sabi Sabi Private Game Reserve has been named Africa’s Leading Private Game Reserve 2026 at the World Travel Awards.