Frontend

How to force a React component to update

What output will console.log produce when declaring a variable with var after its use

Creating a structure from an array of objects by the type field

Junior — Middle+

СБЕР

Update child SubElement only on even counter values

Junior — Senior

IT One

Identification of elements that occur more than once

Определение контекста this в методах объекта

Resetting the counter when switching pages

Implementation of tuple union in TypeScript

Junior — Senior

СБЕР

Custom analog of Object.groupBy()

Junior — Middle+

Аэрофлот

Why does an outer try/catch not catch an error thrown inside a Promise

React application: current date, responsive window width, and simple counter

Junior — Senior

2gis

Getting a sequence without adjacent duplicates

Junior — Senior

СБЕР

Function for counting character frequency in a string

Junior — Senior

МТС

Removing elements from the first array that are found in the second, while preserving order

Transforming a list of strings into an array of objects with name and id fields

DIY mock functionality considering calls and arguments

Junior — Senior

Дом.рф

Synchronous updating of input text in different browser tabs

Connecting custom web fonts

Setting a timeout for asynchronous functions

Junior — Senior

Промсвязьбанк

Square of elements of the sorted array