Run results for: Is element in visible dom

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36

Browser: Chrome 56

Operating system: Windows 7

Device Platform: Other

Date tested: 7 years ago

Test name	Executions per second
body.contains(); direct; notIns	2600025.8 Ops/sec
body.contains(); nested; notIns	2634836.0 Ops/sec
body.contains(); direct; ins	2579353.0 Ops/sec
body.contains(); nested; ins	2574464.2 Ops/sec
own function; direct; notIns	3618504.0 Ops/sec
own function; nested; notIns	1767283.4 Ops/sec
own function; direct; ins	2546186.5 Ops/sec
own function; nested; ins	1499364.6 Ops/sec

Script Preparation code:

var notIns = document.createElement("div");
var notInsNested = document.createElement("div");
notIns.appendChild(notInsNested);


var ins = document.createElement("div");
var insNested = document.createElement("div");
ins.appendChild(insNested);

var body = document.body;
body.appendChild(ins);


var test = function(element) {
  var parentElement = element.parentElement;
  if(parentElement === null) {
   return false; 
  } else if(parentElement === body) {
    return true;
  }
  return test(parentElement);
};

Tests:

body.contains(); direct; notIns
body.contains(notIns);
body.contains(); nested; notIns
body.contains(notInsNested);
body.contains(); direct; ins
body.contains(ins);
body.contains(); nested; ins
body.contains(insNested);
own function; direct; notIns
test(notIns);
own function; nested; notIns
test(notInsNested);
own function; direct; ins
test(ins);
own function; nested; ins
test(insNested);

Run results for: Is element in visible dom

Is element in visible dom

body.contains(); direct; notIns

body.contains(); nested; notIns

body.contains(); direct; ins

body.contains(); nested; ins

own function; direct; notIns

own function; nested; notIns

own function; direct; ins

own function; nested; ins