For AI agents: the complete documentation index is available at /en/llms.txt, the full documentation bundle is available at /en/llms-full.txt, and this page is available as Markdown at /en/reference/sdk/sapi/runtime/functions/obsNum.md.
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      • Function: obsNum() 

      function obsNum(v?: number): ObservableNumber;

      Defined in: sapi/runtime/menu-navigator.ts:75

      创建客户端可写（clientWritable: true）的响应式数字 Observable 对象。

      Parameters

      ParameterTypeDefault valueDescription
      vnumber0初始数值，缺省为 0。

      Returns

      ObservableNumber

      响应式数字对象。