"even or odd number";

the longest string without duplicates;

check if only digits in a string;

length of the shortest word;

count smiley faces;

maximum number of cakes that can be baked;

find the maximum sum of a contiguous

URL string - return just the domain name;

write calculations using functions

replace a letter with the letter 13 letters

string to string with a hashtag; ternary operator;

RGB decimal color to hexadecimal; String.padStart;

seconds to hours, minutes, and seconds;

regex .test(), string .substring(), array .map()

moveZeros, array filter fn, concat fn

mathematic sequence, ternary operator, volumes,

count characters in a string, add a key/value pair

fibonacci / tribonacci sequence, for loop,

swap letters to their positions in the alphabet,

replace letter with its position in the alphabet,

swap duplicates, map(), filter(), ternary operator

fing missing letter, array.find() fn, check if

highest scoring word, array.map, array.reduce,

sort odd elements in an array, .sort(), .filter()

integer to binary, array filter, array length,

break camel case, regex, str replace

subtract elements of one array from another,

check if the prime number, Number.isInteger(),

find single unique value in the array, ternary operator, array .sort()

split string into number of characters, tearnary operator, regex, arr…