isUniqueString.js

/*
*  @param1 = string
*  return boolean
*/
function isUniqueCharater(str){
	return str.length === new Set(str).size;
}


/*
*  @param1 = string
*  return void
* 	if the str is unique charater print "all unique";
*   else print "duplicates found"
*/	
function printDupOrUni(str){
	if(!isUniqueCharater(str))
		console.log(str,' - duplicates found.');
	else
		console.log(str,' - all unique');
}

/**
*
* List for test the function
*
**/
const list = [
	'hola mundo',
	'hola mundss',
	'hola sdd',
	'testing',
	'ja let ja',
	'hello world',
	'helo wrd',
	'saerds dfs',
];

list.forEach(printDupOrUni);