js_submenu

Submenu module

let submenu = require("submenu");

Methods

setHeader

Set the submenu header text.

Parameters

• header (string): The submenu header text

Example

submenu.setHeader("Select an option:");

addItem

Add a new submenu item.

Parameters

• label (string): The submenu item label text
• id (number): The submenu item ID, must be a Uint32 number

Example

submenu.addItem("Option 1", 1);
submenu.addItem("Option 2", 2);
submenu.addItem("Option 3", 3);

show

Show a submenu that was previously configured using setHeader() and addItem() methods.

Returns

The ID of the submenu item that was selected, or undefined if the BACK button was pressed.

Example

let selected = submenu.show();
if (selected === undefined) {
    // if BACK button was pressed
} else if (selected === 1) {
    // if item with ID 1 was selected
}