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8.Exes and Ohs Description: Check to see if a string has the same amount of 'x's and 'o's. The method must return a boolean and be case insensitive. The string can contain any char. Examples input/output: XO("ooxx") => true XO("xooxx") => false XO("ooxXm") => true XO("zpzpzpp") => true // when no 'x' and 'o' is present should return true XO("zzoo") => false function XO(str) { const words = [...str.toLowerCase(.. 2022. 3. 18.
7.List Filtering Description: In this kata you will create a function that takes a list of non-negative integers and strings and returns a new list with the strings filtered out. Example filter_list([1,2,'a','b']) == [1,2] filter_list([1,'a','b',0,15]) == [1,0,15] filter_list([1,2,'aasf','1','123',123]) == [1,2,123] function filter_list(l) { return l.filter(num => Number.isInteger(num)); } 원래 맨 처음에 제출했던 코드는 func.. 2022. 3. 17.
6.Isograms Description: An isogram is a word that has no repeating letters, consecutive or non-consecutive. Implement a function that determines whether a string that contains only letters is an isogram. Assume the empty string is an isogram. Ignore letter case. Example: (Input --> Output) "Dermatoglyphics" --> true "aba" --> false "moOse" --> false (ignore letter case) function isIsogram(str){ if (str.len.. 2022. 3. 16.
5.You're a square! A square of squares You like building blocks. You especially like building blocks that are squares. And what you even like more, is to arrange them into a square of square building blocks! However, sometimes, you can't arrange them into a square. Instead, you end up with an ordinary rectangle! Those blasted things! If you just had a way to know, whether you're currently working in vain… Wait! Th.. 2022. 3. 14.
4.Get the Middle Character Description: You are going to be given a word. Your job is to return the middle character of the word. If the word's length is odd, return the middle character. If the word's length is even, return the middle 2 characters. #Examples: Kata.getMiddle("test") should return "es" Kata.getMiddle("testing") should return "t" Kata.getMiddle("middle") should return "dd" Kata.getMiddle("A") should return .. 2022. 3. 11.
3.Descending Order Your task is to make a function that can take any non-negative integer as an argument and return it with its digits in descending order. Essentially, rearrange the digits to create the highest possible number. Examples: Input: 42145 Output: 54421 Input: 145263 Output: 654321 Input: 123456789 Output: 987654321 function descendingOrder(n){ n = n.toString(); const num = n.split(''); const result = .. 2022. 3. 10.

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