http://forum.mweb.ru/ Не узнаешь, %username%? ru kornev@vns.ru Ya:Rss revision 15.09.2008 (phpbb 3) http://forum.mweb.ru/viewtopic.php?f=13&t=6498 http://forum.mweb.ru/viewtopic.php?f=13&t=6498 <br /> const s = ['flower', 'flow', 'flight'],<br /> a = ['sunday', 'sunny', 'sun'],<br /> z = ['sunday', 'sunny', 'sun', 'cunning'];<br /> <br /> function pref(arr){<br /> if(!Array.isArray(arr) || !arr.length) return 'Wrong data passed';<br /> <br /> const ar = arr.sort( (a, b) => a.length - b.length );<br /> let found = '';<br /> <br /> for(let n of ar[0]){<br /> if(ar.every( x => x.at(ar[0].indexOf(n)) == n )){ found += n; }<br /> else{ break; }<br /> }<br /> <br /> return found.length ? found : 'No common prefix found';<br /> }<br /> <br /> console.log( pref(s) ); // fl<br /> console.log( pref(a) ); // sun<br /> console.log( pref(z) ); // No common prefix found<br /> console.log( pref([]) ); // Wrong data passed<br /> console.log( pref('shit') ); // Wrong data passed<br /> console.log( pref(['shit']) ); // shit Thu, 09 Feb 2023 18:05:26 +0300 http://forum.mweb.ru/memberlist.php?mode=viewprofile&u=2123 http://forum.mweb.ru/yarss.php?forum=13&topic=6498http://forum.mweb.ru/yarss.php?forum=13&mode=comments