२६ कात्तिक, तेहरान (रासस\एएनआई)। इरानले अमेरिका र इजरायलसँगको युद्धपछि होर्मुज जलघाँटीको व्यवस्थापन युद्धअघिको अवस्थामा ...

२६ कात्तिक, काठमाडौं । अमेरिकी अर्बपति इलन मस्कले चिप निर्माता कम्पनी एनभिडियाका प्रमुख कार्यकारी अधिकृत (सीईओ) जेनसन हुआङलाई ...

It might say "If there's traffic on Main Street, take the highway instead. If construction is blocking the highway, try the scenic route." Programs use exactly the same type of conditional logic to ...

A realistic roadmap to learn JavaScript for web development, from your first console.log to your first real project, without ...

No red card for Pablo Maffeo! Refereeing chiefs explain why Kylian Mbappe challenge did not warrant dismissal against Real Madrid Spanish refereeing chiefs have officially backed the decision not to ...

The day after the Premier League’s Manchester derby, one of the biggest games in club football, the conversation is not dominated by the teams’ performances or players’ individual brilliance but by a ...

The decision was made to allow what ended up being Manchester City's winning goal in Sunday's game at Old Trafford. Michael Regan/Getty Images Matt Donohue, the video assistant referee (VAR) who ...

MANCHESTER, Sept 13 (Reuters) - The video assistant referee (VAR) was wrong to allow Erling Haaland's decisive goal in Manchester City's 1-0 win over Manchester United at Old Trafford on Sunday, ...

Manchester City’s opening goal against Manchester United had Old Trafford scratching its head for a minute, with the assistant referee initially raising the flag for offside. Some fans even called it ...

1. 变量声明三剑客：let、var、const的本质差异 十年前刚接触JavaScript时，var是唯一的变量声明方式。直到ES6（2015年）带来了let和const，这才让变量声明有了更精细的控制能力。这三种声明方式看似简单，但在作用域、提升、重复声明等关键行为上存在根本性区别，直接关系到代码的健壮性和可维护性。

JavaScriptで使われる変数の基本や、var・let・constそれぞれの特徴と違いを初心者向けに解説します。正しい変数の使い方を理解し、より読みやすいコードを書くための基礎を学べる内容です。