Run results for: dict vs set

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.70 Safari/537.36

Browser: Chrome 78

Operating system: Mac OS X 10.14.6

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
set	458.0 Ops/sec
dict	572.7 Ops/sec

HTML Preparation code:


<div id=''></div>

Script Preparation code:

var dict = {}
var set = new Set()
var query = []
var n = 10000
for (var i = 0; i < n; i++) {
    dict[i] = true;
    set.add(i)
    query.push(Math.floor(Math.random() * n * 2))
    query.push(Math.floor(Math.random() * n * 2))
}

Tests:

set
query.map(function(i) { return set.has(i) } )
dict
query.map(function(i) { return dict[i] } )