"JB" meaning in Malay

{
  "head_templates": [
    {
      "args": {},
      "expansion": "JB",
      "name": "ms-proper noun"
    }
  ],
  "lang": "Malay",
  "lang_code": "ms",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "word": "Johor Bahru"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Malay entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Malay terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 3 entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Initialism of Johor Bahru."
      ],
      "id": "en-JB-ms-name-Kow1Xtoj",
      "links": [
        [
          "Johor Bahru",
          "Johor Bahru#Malay"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ],
      "wikipedia": [
        "ms:JB"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈd͡ʒejbi/"
    },
    {
      "ipa": "[ˈd͡ʒei̯.bi]"
    }
  ],
  "word": "JB"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "JB",
      "name": "ms-proper noun"
    }
  ],
  "lang": "Malay",
  "lang_code": "ms",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "word": "Johor Bahru"
        }
      ],
      "categories": [
        "Malay entries with incorrect language header",
        "Malay initialisms",
        "Malay lemmas",
        "Malay proper nouns",
        "Malay terms with IPA pronunciation",
        "Malay terms with redundant script codes",
        "Pages with 3 entries"
      ],
      "glosses": [
        "Initialism of Johor Bahru."
      ],
      "links": [
        [
          "Johor Bahru",
          "Johor Bahru#Malay"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ],
      "wikipedia": [
        "ms:JB"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈd͡ʒejbi/"
    },
    {
      "ipa": "[ˈd͡ʒei̯.bi]"
    }
  ],
  "word": "JB"
}