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bricks/dist/docs/en/registerfunction.md
yumoqing 1291f7fee3 fix: UiCode build_options uses valueField/textField fallback to 'value'/'text' 
When valueField/textField are not explicitly set in opts, the auto-select
logic (line 1140) and nullable empty-option creation (lines 1144-1145) used
data[0][undefined] which returned undefined, causing:
- Single-option selects to show blank (auto-select failed)
- nullable empty options to have undefined keys

Now extracts vf/tf local variables with ||'value'/||'text' fallback at the
top of build_options(), used consistently throughout.
2026-05-29 23:03:52 +08:00

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RegisterFunction

Control Functionality, Type (Regular or Container Control), and Parent Control

  • Control Functionality: Provides a global function registration and retrieval mechanism for managing and maintaining reusable functional functions. Functions are registered by name and can be dynamically retrieved later using their names.
  • Type: Regular control
  • Parent Control: None (native JavaScript class)

Initialization Parameters

  • No explicit initialization parameters. The constructor constructor() initializes an empty object this.rfs = {} to store registered functions.

Main Events

  • No DOM events. This control primarily provides the following methods as its interface:
    • register(n, f): Registers function f with the name n into the internal storage object.
    • get(n): Retrieves the function registered under name n. Returns null if no such function exists (handled after catching exceptions).