Run results for: FieldeasReduce2

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Browser: Chrome 83

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
reduce	163.2 Ops/sec
reduce2	6.4 Ops/sec

HTML Preparation code:


<script src=''></script>

Script Preparation code:


 var testData = {
keys: ["ID", "ID_CONTACT", "ID_CHAT", "DATE", "TEXT", "BLOB", "$HDN_BIN_BLOB", "HAS_BLOB", "BLOB_TYPE", "BLOB_DURATION", "BLOB_SIZE", "$HDN_DateTime", "$HDN_XCoord", "$HDN_YCoord", "$HDN_ZCoord", "$PK", "$HDN_IDState", "$HDN_DescState", "$HDN_NumBlob"],
values: []
};
  
  for (var i = 0; i < 10000; i++) {
    testData.values.push([
    "ID", 
"ID_CONTACT" + i, 
"ID_CHAT" + i, 
"DATE" + i, 
"TEXT" + i, 
"BLOB" + i, 
"$HDN_BIN_BLOB" + i, 
"HAS_BLOB" + i, 
"BLOB_TYPE" + i, 
"BLOB_DURATION" + i, 
"BLOB_SIZE" + i, 
"$HDN_DateTime" + i, 
"$HDN_XCoord" + i, 
"$HDN_YCoord" + i, 
"$HDN_ZCoord" + i, 
"$PK" + i, 
"$HDN_IDState" + i, 
"$HDN_DescState" + i, 
"$HDN_NumBlob" + i
    ]);
  }

Tests:

reduce
var customReduce = data => { var keys = data.keys; return data.values.map(x => { return x.reduce((acc, curr, i) => { acc[keys[i]] = curr; return acc; }, {}) }) } customReduce(testData)
reduce2
function makeAnObject(data) { return data.values.reduce((arr, vals) => { return [ ...arr, vals.reduce((obj, v, i) => ({ ...obj, [data.keys[i]]: v }), {}) ] }, []) } makeAnObject(testData)

Run results for: FieldeasReduce2

reduce

reduce2