Run results for: sessionStorage vs top.name

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36

Browser: Chrome 140

Operating system: Linux

Device Platform: Desktop

Date tested: 10 months ago

top.name

1.7M/s

sessionStorage

18K/s

View exact numbers

Test name	Executions per second
✓ top.name	1,744,609 Ops/sec
sessionStorage	18,271 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

var a = sessionStorage.setItem.bind(sessionStorage,'a'),
    b = sessionStorage.getItem.bind(sessionStorage, 'a'),
    c = Reflect.set.bind(Reflect, top, 'a'),
    d = Reflect.get.bind(Reflect, top, 'a')

Tests:

sessionStorage
for(let i = 5; i--;) a(i), b()
top.name
for(let i = 5; i--;) c(i), d()

Run results for: sessionStorage vs top.name

top.name has the same lifetime as sessionStorage

sessionStorage

top.name