AmitDiwan has Published 10740 Articles

Multiply and Sum Two Arrays in JavaScript

AmitDiwan

AmitDiwan

Updated on 21-Nov-2020 10:01:42

3K+ Views

We are required to write a JavaScript function that takes in two arrays of equal length. The function should multiply the corresponding (by index) values in each, and sum the results.For example: If the input arrays are −const arr1 = [2, 3, 4, 5]; const arr2 = [4, 3, 3, ... Read More

Split Array of items into N Arrays in JavaScript

AmitDiwan

AmitDiwan

Updated on 21-Nov-2020 10:00:37

888 Views

We are required to write a JavaScript function that splits an Array of numbers into N groups, which must be ordered from larger to smaller groups.For example, in the below code, split an Array of 12 numbers into 5 Arrays, and the result should be evenly split, from large (group) ... Read More

Evaluating a string as a mathematical expression in JavaScript

AmitDiwan

AmitDiwan

Updated on 21-Nov-2020 09:59:34

3K+ Views

We are required to write a JavaScript function that takes in a stringified mathematical equation. The function should return the result of the equation provided to the function.For example: If the equation is −const str = '1+23+4+5-30';Then the output should be 3ExampleThe code for this will be −const str = ... Read More

Separating digits of a number in JavaScript

AmitDiwan

AmitDiwan

Updated on 21-Nov-2020 09:59:13

1K+ Views

We are required to write a JavaScript program that provides user with a input. When the user inputs some value and press the button, our function should check if the input is a valid number, if it is a valid number, the program should print all digits of the number ... Read More

Number to alphabets in JavaScript

AmitDiwan

AmitDiwan

Updated on 21-Nov-2020 09:59:09

872 Views

We are required to write a JavaScript function that takes in a string of any variable length that represents a number.Our function is supposed to convert the number string to the corresponding letter string.For example − If the number string is −const str = '78956';Then the output should be −const ... Read More

JavaScript: Sort Object of Objects

AmitDiwan

AmitDiwan

Updated on 21-Nov-2020 09:57:55

2K+ Views

Suppose we have an Object of Objects like this −const obj = {    "CAB": {       name: 'CBSSP',       position: 2    },    "NSG": {       name: 'NNSSP',       position: 3    },    "EQU": {       name: ... Read More

Search by id and remove object from JSON array in JavaScript

AmitDiwan

AmitDiwan

Updated on 21-Nov-2020 09:55:56

3K+ Views

Suppose, we have an array of objects that contains data about some movies like this −const arr = [    {id: "1", name: "Snatch", type: "crime"},    {id: "2", name: "Witches of Eastwick", type: "comedy"},    {id: "3", name: "X-Men", type: "action"},    {id: "4", name: "Ordinary People", type: "drama"}, ... Read More

List all duplicate values in a nested JavaScript object

AmitDiwan

AmitDiwan

Updated on 21-Nov-2020 09:54:16

1K+ Views

Suppose, we have a nested object that contains data about some pets like this −const pets = {    owner1: 'Frank',    owner2: 'Curly',    owner3: 'Maurice',    dogs: {       terriers: {          name1: 'Fido',          name2: 'Woofy',       ... Read More

JavaScript - Find keys for the matched values as like query in SQL

AmitDiwan

AmitDiwan

Updated on 21-Nov-2020 09:52:33

427 Views

Suppose, we have an object like this −const obj = {"100":"Jaipur", "101":"Delhi", "102":"Raipur", "104":"Goa"};We are required to write a JavaScript function that takes in one such object as the first argument and a search query term as the second argument. Then our function should return all those key/value pairs whose ... Read More

JavaScript: Combine highest key values of multiple arrays into a single array

AmitDiwan

AmitDiwan

Updated on 21-Nov-2020 09:51:25

254 Views

We are required to write a JavaScript function that takes in any number of array of Numbers. Our function should return an array of greatest numbers picked from the input array of array. The number of elements in the output array should be equal to the number of subarrays contained ... Read More

Advertisements