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※タイトルã¯ç…½ã‚Šã§ã™ã€‚ TL;DR RunJSã¯æ‰‹å…ƒã§æ‰‹è»½ã«JSã®æŒ™å‹•ã‚’試ã›ã‚‹ã‚¢ãƒ—リ ã‚ã¡ã‚ƒãã¡ã‚ƒä¾¿åˆ©ã¨æ€ã†ã®ã«ç´¹ä»‹è¨˜äº‹ã‚‚ã‚ã‚“ã¾ãªã„ 使ã£ãŸã‚‰æ—ã‚‹ã‹ã‚‰ã©ã†ãž RunJS Qiitaã§ã‚‚紹介記事見ã‹ã‘ãªã„ã—ã€Googleã§æ¤œç´¢ã‹ã‘ã¦ã‚‚（少ãªãã¨ã‚‚日本語ã®è¨˜äº‹ã¯ï¼‰è¦‹å½“ãŸã‚‰ãªã‹ã£ãŸã®ã§æ›¸ã。 使ã£ãŸã‚‰æ—ã‚‹ã®ã«ãªãƒ¼ã€ã¨ã„ã†ãŠæ°—æŒã¡ã§ã™ã€‚ RunJS is 何？ ç°¡å˜ã«è¨€ã†ã¨ã€JavaScriptã®ã‚µãƒ³ãƒ‰ãƒœãƒƒã‚¯ã‚¹ï¼ˆPlayGround？）。 自分ã®å ´åˆã€ã“ã‚Œã¾ã§ã•ãã£ã¨ã‚³ãƒ¼ãƒ‰è©¦ã—ãŸã„ã¨ãã¯ã€Chromeã®devtoolã§ã‚³ãƒ³ã‚½ãƒ¼ãƒ«ã«æ›¸ãã¨ã‹nodeã®REPL使ã†ã‹ã ã£ãŸã‚“ã§ã™ãŒã€devtoolã¯ãƒ–ラウザ開ã„ã¦ã€devtoolé–‹ã„ã¦ã€ã—ã‹ã‚‚ã‚ã¾ã‚Šæ›¸ãã‚„ã™ã„ã¨ã¯è¨€ãˆãšãƒ»ãƒ»ãƒ»ã€ã ã—ã€nodeã®REPLã¯å˜è¡Œã¨ã‹ãªã‚‰ã„ã„ã‘ã©ã€è¤‡æ•°è¡Œã«æ¸¡ã‚‹ã¨è¾›ã•ã—ã‹ãªã„ã§ã™ã—・・・。 ãã“ã§ãŠå…„ã•ã‚“。 RunJSã§ã™ã‚ˆã€‚ ã¨
TypeScriptã€åƒ•ãŒæ‚ªã‹ã£ãŸã€ã‚´ãƒ¡ãƒ³ï¼š nullã‚„undefinedã®æ‰±ã„ã¯ãƒžãƒˆãƒ¢ã ã£ãŸ - 檜山æ£å¹¸ã®ã‚マイラ飼育記 (ã¯ã¦ãªBlog)
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