"callback hell" meaning in English

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          "ref": "2015, Remo H. Jansen, Learning TypeScript:",
          "text": "However, the use of callbacks can lead to a maintainability issue known as callback hell. We will now write a real-life example to showcase what a callback hell is and how easily we can end up dealing with it.",
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        "The situation (chiefly in JavaScript) where callbacks are nested within other callbacks several levels deep, making it difficult to understand and maintain the code."
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        [
          "callback",
          "callback"
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          "nest",
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      "raw_glosses": [
        "(programming, colloquial) The situation (chiefly in JavaScript) where callbacks are nested within other callbacks several levels deep, making it difficult to understand and maintain the code."
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        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "lang_code": "cmn",
          "roman": "huídiào dìyù",
          "sense": "situation where callbacks are nested within other callbacks",
          "word": "回調地獄 /回调地狱"
        },
        {
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          "lang": "Polish",
          "lang_code": "pl",
          "sense": "situation where callbacks are nested within other callbacks",
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            "masculine"
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          "word": "callback hell"
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  "word": "callback hell"
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  "pos": "noun",
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        "The situation (chiefly in JavaScript) where callbacks are nested within other callbacks several levels deep, making it difficult to understand and maintain the code."
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        "(programming, colloquial) The situation (chiefly in JavaScript) where callbacks are nested within other callbacks several levels deep, making it difficult to understand and maintain the code."
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  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "lang_code": "cmn",
      "roman": "huídiào dìyù",
      "sense": "situation where callbacks are nested within other callbacks",
      "word": "回調地獄 /回调地狱"
    },
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      "lang": "Polish",
      "lang_code": "pl",
      "sense": "situation where callbacks are nested within other callbacks",
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      "word": "callback hell"
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  "word": "callback hell"
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