MeasureThat.net

Run results for: Variable vs array with one item

Testing the performance impact of an array when it only contains one item

Go to the benchmark
Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36
Chrome 133
Linux
Desktop
one month ago
Test name Executions per second
Single element in variable 930289.1 Ops/sec
Single element in array 952574.5 Ops/sec
Script Preparation code:
​x
 
const variable = document.createElement("div")
const array = [document.createElement("div")]
​
function setVariable() {
    variable.setAttribute("style", `transform: translate3d(${Math.random()}px, ${Math.random()}px, ${Math.random()}px)`)
}
​
function setArray() {
    array.forEach((elem)=>{ elem.setAttribute("style", `transform: translate3d(${Math.random()}px, ${Math.random()}px, ${Math.random()}px)`) })
}
Tests:

  • Single element in variable

     
    setVariable()

  • Single element in array

     
    setArray()