pro24.ts

//• Tests for equality and inequality with strings

let word = "Apple";
let word2 = "mango"
console.log("Is word.length == word2.length? I predict true");
console.log(word.length == word2.length);

console.log("is word === word2? I predict false" );
console.log(word === word2);

//• Tests using the lower case function

let lowerWord = "RAINBOW"
console.log("is lowerWord.toLowerCase()===rainbow? I predict true ");
console.log(lowerWord.toLowerCase() === "rainbow");

console.log("is lowerWord.toLowerCase() !== rainbow? I predict false");
console.log( lowerWord.toLowerCase() !== "rainbow");

//• Numerical tests involving equality and inequality,
// greater than and less than, greater than or equal to, and less than or equal to

let num1 = 5;
let num2 = 10;
console.log("is num1!= num2? I  predict true");
console.log(num1!= num2);


console.log("is num1 == num2? I predict false");
console.log(num1 == num2);

console.log("Is num1 < num2? I predict true");
console.log(num1 < num2);

console.log("is num2 < num1? I predict false");
console.log(num2 < num1);

console.log("num2 > num1? I predict true");
console.log(num2 > num1);

console.log("num1 > num1?  I predict false");
console.log(num1 > num1);

console.log("is num1 >= 5? I predict true");
console.log(num1 >= 5);

console.log("is num1 >= num2? I predict false");
console.log(num1 >= num2);

console.log("is num2 <=num2? I predict true ");
console.log(num2 <= num2);

console.log("is num2 <= num1? I predict false");
console.log(num2 <= num1);

//• Tests using "and" and "or" operators
let num3 = 6
let num4 = 7
let num5 = 8
    console.log("is num3 < num4 && num4 < num5? I predict True");
    console.log(num3 < num4 && num4 < num5);

    console.log("is num3 < num4 && num4 > num5? I  predict False");
    console.log(num3 < num4 && num4 > num5);

    console.log("is num3 < num4 || num4 > num5? I predict true");
    console.log(num3 < num4 || num4 > num5);

    console.log("is num3 > num4 || num4 > num5? I predict false");
    console.log(num3 > num4 || num4 > num5);

    // Test whether an item is in a array
    let arr:string[] =["apple", "mango", "Orange", "Banana"];
    console.log("arr.inludes(apple) ? I predict true");
    console.log(arr.includes("apple"));
    
    console.log("arr.includes(pineapple) ? I predict false");
    console.log(arr.includes("pineapple"));

    //• Test whether an item is not in a array

console.log("is !arr.includes(pomegranette)? I predict true");
console.log(!arr.includes("pomegranette"));

console.log("is !arr.includes(Banana)?  I predict false");
console.log(!arr.includes("Banana"));