Step by Step solution about How to resolve the algorithm Define a primitive data type step by step in the JavaScript programming language

Explanation:

1. Constructor Function Num:

• This function is the constructor for the Num object. It takes a single argument n and initializes it.
• It floors the input n to an integer and checks if it's a number (NaN check).
• It throws an error if n is less than 1 or greater than 10.
• If the input is valid, it sets the internal _value property to n.

2. Num Prototype Methods:

• valueOf(): Returns the _value property.
• toString(): Returns the string representation of _value.

3. Creating Num Objects w and x:

• Two Num objects, w and x, are created with values 3 and 4, respectively.

4. Arithmetic Operations:

• w + x: Addition (7)
• x - w: Subtraction (1)
• w * x: Multiplication (12)
• w / x: Division (0.75)

5. Comparison Operations:

• w < x: Less than (true)
• x < w: Less than (false)

6. Error Handling:

• If a non-numeric value or a value outside the range [1, 10] is passed to the Num constructor, an error is thrown:
  • TypeError("Not a Number") for non-numeric input
  • TypeError("Out of range") for values outside the range

7. Invalid Objects y and z:

• y is created with a value of 0, which is outside the allowed range, resulting in a TypeError.
• z is created with a value of 11, which is also outside the range, resulting in a TypeError.

function Num(n){
    n = Math.floor(n);
    if(isNaN(n))
        throw new TypeError("Not a Number");
    if(n < 1 || n > 10)
        throw new TypeError("Out of range");
    this._value = n;
}
Num.prototype.valueOf = function() { return this._value; }
Num.prototype.toString = function () { return this._value.toString();}

var w = new Num(3), x = new Num(4);

WScript.Echo(w + x); //7
WScript.Echo(x - w); //1
WScript.Echo(w * x); //12
WScript.Echo(w / x); //0.75
WScript.Echo(w < x); //true
WScript.Echo(x < w); //false

var y = new Num(0); //TypeError
var z = new Num(11); //TypeError