Function Properties

These global functions are callable from any context and provide various utilities:

• eval(): Executes a string of code. Example: eval('console.log(2 + 2)'); will output 4.
  
• isFinite(): Determines if a value is a finite number. For instance, console.log(isFinite(10)); returns true, while console.log(isFinite(Infinity)); returns false.
  
• isNaN(): Checks if a value is NaN....