JSchallenger

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JSchallenger is a tool for learning Javascript by solving coding challenges created by Erik Kückelheim. Here is the solution to each challenge.

JSchallenger 최신버젼 다운로드

최종 버전 다운로드 (.zip)

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# [JSchallenger](https://www.jschallenger.com)

Learn Javascript online by solving coding exercises.

<p align="center">
  <img width="460" src="README/logo.png">
</p>

- What: JavaScript challenges from JSchallenger.com. It includes my own code in case I got it right as well as challenge's author code.
- Why: Just in case someone is starting, as I am currently, to learn JS and wants to practice.

Big thanks to [Erik Kückelheim](https://www.erik-kueckelheim.com), the author of JSchallenger.com. It's not easy to find such good exercises for free.

# Index

## [Getting started](01%20-%20Getting%20started/gettingStarter.js)

## Javascript basics

- [Check if a number is even](02%20-%20Javascript%20basics/01.js)
- [Multiplication, division, and comparison operators](02%20-%20Javascript%20basics/02.js)
- [Comparison operators, strict equality](02%20-%20Javascript%20basics/03.js)
- [Check if a number is a whole number](02%20-%20Javascript%20basics/04.js)
- [Check whether a string contains another string and concatenate](02%20-%20Javascript%20basics/05.js)
- [Find next higher natural number that is divisble by y](02%20-%20Javascript%20basics/06.js)
- [Round a number to 2 decimal places](02%20-%20Javascript%20basics/07.js)
- [Split a number into its digits](02%20-%20Javascript%20basics/08.js)
- [Find the correct word by incrementing letters in alphabet](02%20-%20Javascript%20basics/09.js)
- [Clear up the chaos behind these strings](02%20-%20Javascript%20basics/10.js)
- [Return the percentage of a number](02%20-%20Javascript%20basics/11.js)
- [How many times does a character occur?](02%20-%20Javascript%20basics/12.js)
- [Return the next higher prime number](02%20-%20Javascript%20basics/13.js)

## Javascript arrays

- [Sort an array of strings alphabetically](03%20-%20Javascript%20arrays/01.js)
- [Sort an array of numbers in descending order](03%20-%20Javascript%20arrays/02.js)
- [Return last n array elements](03%20-%20Javascript%20arrays/03.js)
- [Sum up all array elements with values greater than](03%20-%20Javascript%20arrays/04.js)
- [Return the average of an array of numbers](03%20-%20Javascript%20arrays/05.js)
- [Check if all array elements are equal](03%20-%20Javascript%20arrays/06.js)
- [Remove a specific array element](03%20-%20Javascript%20arrays/07.js)
- [Create a range of numbers](03%20-%20Javascript%20arrays/08.js)
- [Return the longest string from an array of strings](03%20-%20Javascript%20arrays/09.js)
- [Merge an arbitrary number of arrays](03%20-%20Javascript%20arrays/10.js)
- [Merge two arrays with duplicate values](03%20-%20Javascript%20arrays/11.js)

## Javascript dates

- [Check if two dates fall on the exact same day](04%20-%20Javascript%20dates/01.js)
- [Check if two dates are equal](04%20-%20Javascript%20dates/02.js)
- [Check if one date is earlier than another](04%20-%20Javascript%20dates/03.js)
- [Add n days to an existing date](04%20-%20Javascript%20dates/04.js)
- [Check if two dates are within 1 hour from each other](04%20-%20Javascript%20dates/05.js)
- [Return the number of days between two dates](04%20-%20Javascript%20dates/06.js)
- [Calculate difference between two dates in hours, minutes, and seconds](04%20-%20Javascript%20dates/07.js)
- [Return the next nearest quarter hour of a date](04%20-%20Javascript%20dates/08.js)

## Javascript objects

- [Accessing object properties two](05%20-%20Javascript%20objects/01.js)
- [Accessing object properties one](05%20-%20Javascript%20objects/02.js)
- [Accessing object properties three](05%20-%20Javascript%20objects/03.js)
- [Remove a property from an object](05%20-%20Javascript%20objects/04.js)
- [Swap object keys and values](05%20-%20Javascript%20objects/05.js)
- [Add property to each object in array](05%20-%20Javascript%20objects/06.js)
- [Merge two objects with matching keys](05%20-%20Javascript%20objects/07.js)
- [Extracting information from objects](05%20-%20Javascript%20objects/08.js)
- [Replace empty strings in object with null values](05%20-%20Javascript%20objects/09.js)

## Javascript Sets

- [Check if value is present in Set](06%20-%20Javascript%20Sets/01.js)
- [Convert a Set to Array](06%20-%20Javascript%20Sets/02.js)
- [Get union of two sets](06%20-%20Javascript%20Sets/03.js)
- [Creating Javascript Sets](06%20-%20Javascript%20Sets/04.js)
- [Delete element from Set](06%20-%20Javascript%20Sets/05.js)
- [Add multiple elements to Set](06%20-%20Javascript%20Sets/06.js)
- [Get Intersection of two Javascript Sets](06%20-%20Javascript%20Sets/07.js)

JSchallenger

JSchallenger 최신버젼 다운로드

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