Is Arc Browser

is-arc-browser.js

// https://stackoverflow.com/questions/76123232/can-javascript-detect-the-arc-browser
console.log(
    getComputedStyle(document.documentElement)
    .getPropertyValue('--arc-palette-title') ? 'Is Arc' : 'Is Not Arc'
);

// https://webmasters.stackexchange.com/questions/142229/can-i-tell-if-visitors-are-using-arc-browser
    window.addEventListener("load", function() {
        setTimeout(function(){
            console.log('1 second after window load: ', getComputedStyle(document.documentElement).getPropertyValue('--arc-palette-background') ? 'Yes' : 'No');
        }, 1000);
    });