Xah Talk Show 2026-01-20 Ep747 random. fsharp, explore.

• https://youtu.be/0e1ZIykaTnk

• Emacs: Xah Fly Keys 📦

• Ultimate Hacking Keyboard 80 (UHK 80)
• Nulea M505 Trackball
• Huion H640P Drawing Tablet

• Fsharp Learning Notes

• JavaScript in Depth

• JS: Function.prototype.apply ❌
• JS: Function.prototype.call ❌
• Xah Talk Show 2026-01-12 Ep743 Unicode, code point, programing language design of string, bytes vs code unit vs char
• Xah Talk Show 2025-09-16 Ep702 the C Printf Crime and New Syntax for String, Rock-String

const ff = ((x) => x + 1);
// this is how you call a function
console.log( ff(3) )
// 4

// just like every function, you can also do it when the functions is not named
console.log( ((x) => x + 1)(3) )
// 4

console.log( (function (x) { return x + 1 })(3) )
// 4