Call static .NET methods from JavaScript functions in Blazor

DotNet.invokeMethodAsync('{ASSEMBLY NAME}', '{.NET METHOD ID}', {ARGUMENTS});

The {ASSEMBLY NAME} placeholder is the app’s assembly name.
The {.NET METHOD ID} placeholder is the .NET method identifier.
The {ARGUMENTS} placeholder are optional, comma-separated arguments to pass to the method, each of which must be JSON-serializable.

@page "/call-dotnet-example-1"

<h1>Call .NET Example 1</h1>

<p>
    <button onclick="returnArrayAsync()">
        Trigger .NET static method
    </button>
</p>

@code {
    [JSInvokable]
    public static Task<int[]> ReturnArrayAsync()
    {
        return Task.FromResult(new int[] { 1, 2, 3 });
    }
}

<script>
  window.returnArrayAsync = () => {
    DotNet.invokeMethodAsync('BlazorSample', 'ReturnArrayAsync')
      .then(data => {
        console.log(data);
      });
    };
</script>

References
https://docs.microsoft.com/en-us/aspnet/core/blazor/javascript-interoperability/call-dotnet-from-javascript?view=aspnetcore-6.0#invoke-a-static-net-method
https://blazor-university.com/javascript-interop/calling-dotnet-from-javascript/calling-static-dotnet-methods/

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