Array.indexOf vs For loop (v16)

Revision 16 of this benchmark created by Andrew Sampson on

Setup

var array1 = 
  [
    "value1",
    "value2",
    "value3",
    "value4",
    "value5",
    "value6",
    "value7",
    "value8",
    "value9",
    "value10",
    "value11",
    "value12",
    "value13",
    "value14",
    "value15",
    "value16",
    "value17",
    "value18",
    "value19",
    "value20"
  ];
  var array2 =
  [
    "value1",
    "value2",
    "value3",
    "value4",
    "value5",
    "value6",
    "value7",
    "value8",
    "value9",
    "value10",
    "value11",
    "value12",
    "value13",
    "value14",
    "value15",
    "value16",
    "value17",
     undefined,
    "value19",
    "value20"
  ];

Test runner

Ready to run.

Testing in
TestOps/sec
Include Hit
if(array2.includes(undefined ) ) { 
   console.log("hit")
}
ready
For loop miss
for (let i=0; i < array1.length; i++) {
        if (array1[i] === undefined || array1[i] === null) {
          
        }
}
ready
Includes Miss
if(!array1.includes(undefined ) ) { 
   console.log("nothing")
}
ready
For loop hit
for (let i=0; i < array2.length; i++) {
        if (array2[i] === undefined || array2[i] === null) {
          console.log("find")
        }
}
ready

Revisions

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