/*Given a string, you have to return a string in which each character (case-sensitive) is repeated once.*/ function doubleChar(str) { let newStr = ""; for(let i = 0; i < str.length; ++i){ newStr+= str[i] + str[i]; } return newStr; }
/*Given a string, you have to return a string in which each character (case-sensitive) is repeated once.*/ function doubleChar(str) { let newStr = ""; for(let i = 0; i < str.length; ++i){ newStr+= str[i] + str[i]; } return newStr; }