Run results for: window.localStorage.setItem

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser: Chrome 135

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Control

91.5M/s

window.localStorage.setItem

137K/s

View exact numbers

Test name	Executions per second
✓ Control	91,465,352 Ops/sec
window.localStorage.setItem	136,666 Ops/sec

HTML Preparation code:

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

Script Preparation code:

/*your preparation JavaScript code goes here
To execute async code during the script preparation, wrap it as function globalMeasureThatScriptPrepareFunction, example:*/
async function globalMeasureThatScriptPrepareFunction() {
    // This function is optional, feel free to remove it.
    // await someThing();
}

Tests:

window.localStorage.setItem
window.localStorage.setItem("data", '{"attributes.support_case_state":{"type":"string_or_null_array","value":["open"]},"attributes.tier":{"type":"string_or_null_array","value":["tier_1"]},"attributes.user_persona":{"type":"string_or_null_array","value":["rider"]},"attributes.country_code":{"type":"string_or_null_array","value":["az"]},"attributes.city_id":{"type":"number_or_null_array","value":[211]},"attributes.safety_severity_level":{"type":"string_or_null_array","value":["minor"]}}');
Control
var a = "foo";