JSFiddle - React, Tailwind, and code Playground

by apoucoz

HTML

<script src="http://imapo.ru/js/snow.js"></script>
<input type="button" value="Включить снег" onclick="apoonoff();">
<br><br>
<input type="button" value="Выключить снег" onclick="apoonoff('1');">

CSS

body {
    background: #000
}
div[id^="SNOW_flake"] {
    display:none;
}

.aposhow {
    display:block !important;
}

JavaScript

window.onload = function() {
    if(!localStorage.getItem('apoon')) {
         $('div[id^="SNOW_flake"]').addClass('aposhow');
    };
}

function apoonoff(id) {
    if(id) {
        localStorage.setItem('apoon', 1);
        $('div[id^="SNOW_flake"]').removeClass('aposhow');
    } else {
        localStorage.removeItem('apoon');
        $('div[id^="SNOW_flake"]').addClass('aposhow');
    }
}