January 2017
Intermediate to advanced
452 pages
5h 53m
Japanese
Content preview from 初めてのJavaScript 第3版 ―ES2015以降の最新ウェブ開発Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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付録A予約語
JavaScriptにおいては、以下の語は識別子（変数名、定数名、関数名) としては使えません。一部の語はstrict modeなどを除いては使える場合がありますが、使わないほうが無難でしょう。
awaitbreakcasecatchclassconstcontinuedebuggerdefaultdeletedoelseenum（将来のために予約）exportextendsfalse（リテラル値）finallyforfunctionifimplementsimportininstanceofinterfaceletnewnull（リテラル値）packageprivateprotectedpublicreturnsuperstaticswitchthisthrowtrue（リテラル値）trytypeofvarvoidwhilewithyield
以下の単語はECMAScriptの以前の仕様で予約されていました。現在は予約語とはされていませんが使わないほうがよいでしょう。JavaScriptの実装によっては（間違って）予約語として処理してしまう危険性があります。
abstractbooleanbytechardoublefinalfloatgotointlongnativeshortsynchronizedthrowstransientvolatile
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I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.