Split data into array in JS, Javascript

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var str = "BEGIN:VEVENT\r\nDTSTART;TZID=America/New_York:20161231T123000\r\nDTEND;TZID=America/New_York:20161231T133000\r\nRRULE:FREQ=WEEKLY;UNTIL=20170211T045959Z;BYDAY=SA\r\nDTSTAMP:20170228T012109Z\r\nUID:h742jrf72h1r4oferera9dp070@google.com\r\nCREATED:20170102T190437Z\r\nDESCRIPTION:\r\nLAST-MODIFIED:20170211T152911Z\r\nLOCATION:\r\nSEQUENCE:0\r\nSTATUS:CONFIRMED\r\nSUMMARY:Birthday Parties\r\nTRANSP:OPAQUE\r\nEND:VEVENT\r\nBEGIN:VEVENT\r\nDTSTART;TZID=America/New_York:20170106T170000\r\nDTEND;TZID=America/New_York:20170106T173000\r\nRRULE:FREQ=WEEKLY;BYDAY=FR\r\nDTSTAMP:20170228T012109Z\r\nUID:ukad1og7htm89pc8j4di4otlk8_R20170106T220000@google.com\r\nCREATED:20141126T041733Z\r\nDESCRIPTION:\r\nLAST-MODIFIED:20170120T210013Z\r\nLOCATION:1028 Poquonnock Rd\\, Groton\\, CT 06340\\, United States\r\nSEQUENCE:0\r\nSTATUS:CONFIRMED\r\nSUMMARY:Gold/Blue/Green Weapons\r\nTRANSP:OPAQUE\r\nBEGIN:VALARM\r\nACTION:NONE\r\nTRIGGER;VALUE=DATE-TIME:19760401T005545Z\r\nEND:VALARM\r\nEND:VEVENT\r\nBEGIN:VEVENT\r\nDTSTART;TZID=America/New_York:20161229T160000\r\nDTEND;TZID=America/New_York:20161229T164500\r\nDTSTAMP:20170228T012109Z\r\nUID:8thf9943qdnjkcrtlvt6k8kjmg@google.com\r\nRECURRENCE-ID;TZID=America/New_York:20161229T160000\r\nCREATED:20160612T220329Z\r\nDESCRIPTION:\r\nLAST-MODIFIED:20170117T200013Z\r\nLOCATION:\r\nSEQUENCE:0\r\nSTATUS:CONFIRMED\r\nSUMMARY:Juniors Gracie Jiu Jitsu\r\nTRANSP:OPAQUE\r\nBEGIN:VALARM\r\nACTION:NONE\r\nTRIGGER;VALUE=DATE-TIME:19760401T005545Z\r\nEND:VALARM\r\nEND:VEVENT\r\n";
var res = str.replace("\r\n","").split("END:VEVENT");
res.pop();

display="";
    
for(i=0;i<res.length;i++){
   display += res[i]+"END:VEVENT\n\n";
}

print(display);

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Absolute running time: 0.15 sec, cpu time: 0.01 sec, memory peak: 6 Mb, absolute service time: 0,15 sec