dom create vs object create

by leozcx

JavaScript

var beforeDom = new Date();
for (var i = 0; i < 10000; i++) {
  var dom = document.createElement('div');
}
var afterDom = new Date();
console.log(afterDom.getTime() - beforeDom.getTime())

var beforeObj = new Date();
for (var i = 0; i < 10000; i++) {
  var a = {};
}
var current = new Date();
console.log(current.getTime() - beforeObj.getTime())