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@realitista@lemmy.world to Programmer Humor@lemmy.ml • 2 years ago

Pure Evil

lemmy.world

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  • cross-posted to:
  • programmer_humor@programming.dev
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Pure Evil

lemmy.world

@realitista@lemmy.world to Programmer Humor@lemmy.ml • 2 years ago
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14
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  • cross-posted to:
  • programmer_humor@programming.dev
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  • @joneskind@lemmy.world
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    10 months ago

    deleted by creator

    • @angel@iusearchlinux.fyi
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      2 years ago

      Automatic Semicolon Insertion (ASI) has (sadly) been a part of JavaScript longer than 2016. I’m not sure exactly when it was introduced, but this document from 2009 already contains it: https://web.archive.org/web/20120418215856/https://ecma262-5.com/ELS5_Section_7.htm#Section_7.9

      IMO it’s bad practice to rely on ASI since the semicolons may not get inserted where you expected them to. The following snippet

      const x = 0
      const y = x
      [1, 2, 3].forEach(console.log) 
      

      is interpreted as

      const x = 0;
      const y = x[1, 2, 3].forEach(console.log);
      

      which raises a TypeError.

      There are more examples of ASI not doing the right thing on the web, so I don’t agree with “Javascript doesn’t need semicolon”.

      • @kinttach@lemm.ee
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        6•2 years ago

        As Mark Twain said, “Never discuss politics, semicolons, tabs, or religion in polite company.”

      • @flying_sheep@lemmy.ml
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        2•2 years ago

        Use an autoformatter for all code (both in the editor on save/type and as CI check).

        There is no problem anymore.

    • @Downcount@lemmy.world
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      2 years ago

      • @joneskind@lemmy.world
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        7•
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        10 months ago

        deleted by creator

        • @Downcount@lemmy.world
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          4•2 years ago

          Glad you take it like a champ :)

    • Skull giver
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      1 year ago

      [This comment has been deleted by an automated system]

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