How to use the cordova/channel.join function in cordova

// Call the platform-specific initialization.
platform.bootstrap && platform.bootstrap();

// Wrap in a setTimeout to support the use-case of having plugin JS appended to cordova.js.
// The delay allows the attached modules to be defined before the plugin loader looks for them.
setTimeout(function () {
    pluginloader.load(function () {
        channel.onPluginsReady.fire();
    });
}, 0);

/**
 * Create all cordova objects once native side is ready.
 */
channel.join(function () {
    modulemapper.mapModules(window);

    platform.initialize && platform.initialize();

    // Fire event to notify that all objects are created
    channel.onCordovaReady.fire();

    // Fire onDeviceReady event once page has fully loaded, all
    // constructors have run and cordova info has been received from native
    // side.
    channel.join(function () {
        require('cordova').fireDocumentEvent('deviceready');
    }, channel.deviceReadyChannelsArray);

}, platformInitChannelsArray);

}

// _nativeReady is global variable that the native side can set
// to signify that the native code is ready. It is a global since
// it may be called before any cordova JS is ready.
if (window._nativeReady) {
    channel.onNativeReady.fire();
}

// Call the platform-specific initialization.
platform.bootstrap && platform.bootstrap();

/**
 * Create all cordova objects once native side is ready.
 */
channel.join(function() {
    
    platform.initialize && platform.initialize();

    // Fire event to notify that all objects are created
    channel.onCordovaReady.fire();

    // Fire onDeviceReady event once page has fully loaded, all
    // constructors have run and cordova info has been received from native
    // side.
    channel.join(function() {
        require('cordova').fireDocumentEvent('deviceready');
    }, channel.deviceReadyChannelsArray);

}, platformInitChannelsArray);

});

}

// _nativeReady is global variable that the native side can set
// to signify that the native code is ready. It is a global since
// it may be called before any cordova JS is ready.
if (window._nativeReady) {
    channel.onNativeReady.fire();
}

// Call the platform-specific initialization.
platform.bootstrap && platform.bootstrap();

/**
 * Create all cordova objects once native side is ready.
 */
channel.join(function() {

    platform.initialize && platform.initialize();

    // Fire event to notify that all objects are created
    channel.onCordovaReady.fire();

    // Fire onDeviceReady event once page has fully loaded, all
    // constructors have run and cordova info has been received from native
    // side.
    channel.join(function() {
        require('cordova').fireDocumentEvent('deviceready');
    }, channel.deviceReadyChannelsArray);

}, platformInitChannelsArray);

});

channel.join(function() {
    modulemapper.mapModules(window);

    platform.initialize && platform.initialize();

    // Fire event to notify that all objects are created
    channel.onCordovaReady.fire();

    // Fire onDeviceReady event once page has fully loaded, all
    // constructors have run and cordova info has been received from native
    // side.
    channel.join(function() {
        require('cordova').fireDocumentEvent('deviceready');
    }, channel.deviceReadyChannelsArray);

}, platformInitChannelsArray);

channel.join(function() {
    modulemapper.mapModules(window);

    platform.initialize && platform.initialize();

    // Fire event to notify that all objects are created
    channel.onCordovaReady.fire();

    // Fire onDeviceReady event once page has fully loaded, all
    // constructors have run and cordova info has been received from native
    // side.
    channel.join(function() {
        require('cordova').fireDocumentEvent('deviceready');
    }, channel.deviceReadyChannelsArray);

}, platformInitChannelsArray);

}

// _nativeReady is global variable that the native side can set
// to signify that the native code is ready. It is a global since
// it may be called before any cordova JS is ready.
if (window._nativeReady) {
    channel.onNativeReady.fire();
}

// Call the platform-specific initialization.
platform.bootstrap && platform.bootstrap();

/**
 * Create all cordova objects once native side is ready.
 */
channel.join(function() {

    platform.initialize && platform.initialize();

    // Fire event to notify that all objects are created
    channel.onCordovaReady.fire();

    // Fire onDeviceReady event once page has fully loaded, all
    // constructors have run and cordova info has been received from native
    // side.
    channel.join(function() {
        require('cordova').fireDocumentEvent('deviceready');
    }, channel.deviceReadyChannelsArray);

}, platformInitChannelsArray);

});

// Call the platform-specific initialization.
platform.bootstrap && platform.bootstrap();

// Wrap in a setTimeout to support the use-case of having plugin JS appended to cordova.js.
// The delay allows the attached modules to be defined before the plugin loader looks for them.
setTimeout(function () {
    pluginloader.load(function () {
        channel.onPluginsReady.fire();
    });
}, 0);

/**
 * Create all cordova objects once native side is ready.
 */
channel.join(function () {
    modulemapper.mapModules(window);

    platform.initialize && platform.initialize();

    // Fire event to notify that all objects are created
    channel.onCordovaReady.fire();

    // Fire onDeviceReady event once page has fully loaded, all
    // constructors have run and cordova info has been received from native
    // side.
    channel.join(function () {
        require('cordova').fireDocumentEvent('deviceready');
    }, channel.deviceReadyChannelsArray);

}, platformInitChannelsArray);

modulemapper.clobbers('cordova', 'cordova');
modulemapper.clobbers('cordova/exec', 'cordova.exec');
modulemapper.clobbers('cordova/exec', 'Cordova.exec');

// Call the platform-specific initialization.
platform.bootstrap && platform.bootstrap();

pluginloader.load(function() {
    channel.onPluginsReady.fire();
});

/**
 * Create all cordova objects once native side is ready.
 */
channel.join(function() {
    modulemapper.mapModules(window);

    platform.initialize && platform.initialize();

    // Fire event to notify that all objects are created
    channel.onCordovaReady.fire();

    // Fire onDeviceReady event once page has fully loaded, all
    // constructors have run and cordova info has been received from native
    // side.
    channel.join(function() {
        require('cordova').fireDocumentEvent('deviceready');
    }, channel.deviceReadyChannelsArray);

}, platformInitChannelsArray);

// Call the platform-specific initialization.
platform.bootstrap && platform.bootstrap();

// Wrap in a setTimeout to support the use-case of having plugin JS appended to cordova.js.
// The delay allows the attached modules to be defined before the plugin loader looks for them.
setTimeout(function () {
    pluginloader.load(function () {
        channel.onPluginsReady.fire();
    });
}, 0);

/**
 * Create all cordova objects once native side is ready.
 */
channel.join(function () {
    modulemapper.mapModules(window);

    platform.initialize && platform.initialize();

    // Fire event to notify that all objects are created
    channel.onCordovaReady.fire();

    // Fire onDeviceReady event once page has fully loaded, all
    // constructors have run and cordova info has been received from native
    // side.
    channel.join(function () {
        require('cordova').fireDocumentEvent('deviceready');
    }, channel.deviceReadyChannelsArray);

}, platformInitChannelsArray);

channel.join(function () {
    modulemapper.mapModules(window);

    platform.initialize && platform.initialize();

    // Fire event to notify that all objects are created
    channel.onCordovaReady.fire();

    // Fire onDeviceReady event once page has fully loaded, all
    // constructors have run and cordova info has been received from native
    // side.
    channel.join(function () {
        require('cordova').fireDocumentEvent('deviceready');
    }, channel.deviceReadyChannelsArray);

}, platformInitChannelsArray);