Dark Mode Script

var dmWrapper = document.querySelector('body');
var dmToggleButton = document.querySelector('#dm-toggle');

function dmInit() {
    if( !window.localStorage.getItem('darkmode') ) {
        if (window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches) {
            window.localStorage.setItem('darkmode','true');
            dmWrapper.classList.toggle('dark');
        } else {
            window.localStorage.setItem('darkmode','false');
        }
    }
    if( window.localStorage.getItem('darkmode') === 'true' ) {
        dmWrapper.classList.add('dark');
    }
}

dmToggleButton.addEventListener('click', () => {

    if( window.localStorage.getItem('darkmode') == 'true' ) {
        dmWrapper.classList.toggle('dark');
        window.localStorage.setItem('darkmode','false');
        return
    }
    dmWrapper.classList.toggle('dark');
    window.localStorage.setItem('darkmode','true');
})

dmInit();