perf_array_map.js

function randomString()
{
    var text = "";
    var possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";

    for( var i=0; i < 5; i++ )
        text += possible.charAt(Math.floor(Math.random() * possible.length));

    return text;
}

function getRandomRange (min, max) {
    return Math.floor(Math.random() * (+max - +min) + +min)
}

var values = []
var attrs ={}

for(var i=0; i<100000; i++) {
    const key = randomString()
    values.push(key)
    attrs[key] = true
}

var filters = []

for(var i=0; i<1000; i++) {
    filters.push(values[getRandomRange(0, 100000)])
}

console.time('includes')

filters.map(filter => 
    values.includes(filter)
)

console.timeEnd('includes')

console.time('map')

filters.map(filter => 
    !!attrs[filter]
)

console.timeEnd('map')