Edit fiddle - JSFiddle - React, Tailwind, and code Playground

JSFiddle - React, Tailwind, and code Playground

HTML

<li><div class="on">test1</div></li>
<li><div class="off">test2</div></li>
<li><div class="on">test1</div></li>
<li><div class="on">test1</div></li>
<li><div class="off">test1</div></li> 
<br>
<input type="checkbox" value="3k"> чекай.

JavaScript

$(function(){
    var checkbox=$( 'input[type=checkbox]' );
    
    if( sessionStorage[ 'hided' ] == 'ok' ){  $("div.off").hide();checkbox[0].checked=true }
        
    checkbox.click( function(){

        if(  this.checked ){ 
            sessionStorage[ 'hided' ]='ok'
            $("div.off").fadeOut('slow');
        } else {
            sessionStorage[ 'hided' ]='no'
            $("div.off").fadeIn('slow');
        }
    
})
    
    })

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JSFiddle - React, Tailwind, and code Playground

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JavaScript

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