We are required to write a JavaScript function that takes in a string and returns the character which makes second most appearances in the string.ExampleFollowing is the code −const str = 'Hello world, I have never seen such a beautiful weather in the world'; const secondFrequent = str => { ... Read More

We are required to write a JavaScript function that takes in a string and starts mapping its characters from 0. And every time the function encounters a unique (non-duplicate) character, it should increase the mapping count by 1 otherwise map the same number for duplicate characters.For example − If the ... Read More

We are required to write a JavaScript function that takes in a number and the function establishes if the provided number is a semiprime or not.SemiprimeA semiprime number is that number which is a special type of composite number that is a product of two prime numbers. For example: 6, ... Read More

We are required to write a JavaScript function that takes in an array of numbers and reorders the digit of all the numbers internally in a specific order (lets say in ascending order for the sake of this problem).For example − If the array is −const arr = [543, 65, ... Read More

We are required to write a JavaScript function that takes in a string and returns the count of redundant characters in the string.For example − If the string is −const str = 'abcde'Then the output should be 0If the string is −const str = 'aaacbfsc';Then the output should be 3ExampleFollowing ... Read More

We are required to write a JavaScript function that takes in an array of strings, ordered by ascending length.The function should return true if, for each pair of consecutive strings, the second string can be formed from the first by adding a single letter either at the beginning or end.For ... Read More

We are required to write a function that takes in an array of exactly five elements representing the five cards of a poker player drawn randomly.If the five cards contain at least one pair, our function should return the card number of the highest pair (trivial if there only exists ... Read More

Other than all being a natural number, the numbers 0, 4, 6, 8, 9 have one more thing in common. All these numbers are formed by or contain at least one closed loop in their shapes.For example, the number 0 is a closed loop, 8 contains two closed loops and ... Read More

We are required to write a JavaScript function that takes in a string and returns a new string with the last vowel of each word removed.For example − If the string is −const str = 'This is an example string';Then the output should be −const output = 'Ths s n ... Read More

We are required to write a JavaScript function that takes in two numbers and returns their difference but without using the (-) signExampleFollowing is the code −const num1 = 56; const num = 78; const subtractWithoutMinus = (num1, num2) => {    if(num2 === 0){       return num1;    };    return subtractWithoutMinus(num1 ^ num2, (~num1 & num2)