Star Rating by @Realto619 - Codewith.it

#main, .loader-cont { display: none; } JavaScript disabilitato.
Non puoi usare Codewith.it senza JavaScript.

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<!-- Font Awesome Icon Library -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
<main>
<h2>Star Rating</h2>
<div class="row">
<span id="_1_star" class="fa fa-star rating checked"></span>
<span id="_2_star" class="fa fa-star rating checked"></span>
<span id="_3_star" class="fa fa-star rating checked"></span>
<span id="_4_star" class="fa fa-star rating"></span>
<span id="_5_star" class="fa fa-star rating"></span>
</div>
<div class="result"></div>

</main>

@import url(https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css);
@import url(https://css.netcentrx.net/default.css);  
.checked {
  color: gold;
}
.fa.fa-star {
  margin: 0;
  letter-spacing:-2px;
  
}
main { 
  width: 80vw;
  max-width:500px;
}

const rating = document.querySelectorAll(".rating");

rating.forEach((item) => {
  item.addEventListener('click',(e) => {
    let check_class = 'unchecked';
    for(let i=0;i<document.getElementById(e.target.id).classList.length;i++) {
      if(document.getElementById(e.target.id).classList[i]==='checked') {
        document.getElementById(e.target.id).classList.remove("checked");
        check_class = 'unchecked';
        checkOtherStars(e.target.id);
        return;
      }
    }
    document.getElementById(e.target.id).classList.add("checked");    
    //checkOtherStars(document.getElementById(e.target.id));
    checkOtherStars(e.target.id);
    // document.querySelector('.result').innerHTML = `1) getID = `+ e.target.id;
  });
});
//const star_array = ['_1_star','_2_star','_3_star','_4_star','_5_star'];
function checkOtherStars(getID) {
  // document.querySelector('.result').innerHTML = `2) getID = `+ getID;
  let stripID = getID.replaceAll('_','').replace('star','');
  // document.querySelector('.result').innerHTML = parseInt(stripID) + ' | ' + document.getElementById(getID).classList + ' | ' + (document.getElementById(getID).classList.contains('checked'));
  if(parseInt(stripID) === 1 && document.getElementById('_2_star').classList.contains('checked')) {
    document.getElementById('_1_star').classList.add("checked");    
    document.getElementById('_2_star').classList.remove("checked");    
    document.getElementById('_3_star').classList.remove("checked");    
    document.getElementById('_4_star').classList.remove("checked");    
    document.getElementById('_5_star').classList.remove("checked");    
  } else if(parseInt(stripID) === 1) {
    document.getElementById('_2_star').classList.remove("checked");    
    document.getElementById('_3_star').classList.remove("checked");    
    document.getElementById('_4_star').classList.remove("checked");    
    document.getElementById('_5_star').classList.remove("checked");    
  } else if(parseInt(stripID) === 2 && document.getElementById('_3_star').classList.contains('checked')) {
    document.getElementById('_1_star').classList.add("checked");    
    document.getElementById('_2_star').classList.add("checked");    
    document.getElementById('_3_star').classList.remove("checked");    
    document.getElementById('_4_star').classList.remove("checked");    
    document.getElementById('_5_star').classList.remove("checked");    
  } else if(parseInt(stripID) === 2) {
    document.getElementById('_1_star').classList.add("checked");    
    document.getElementById('_3_star').classList.remove("checked");    
    document.getElementById('_4_star').classList.remove("checked");    
    document.getElementById('_5_star').classList.remove("checked");    
  } else if(parseInt(stripID) === 3 && document.getElementById('_4_star').classList.contains('checked')) {
    document.getElementById('_1_star').classList.add("checked");    
    document.getElementById('_2_star').classList.add("checked");    
    document.getElementById('_3_star').classList.add("checked");    
    document.getElementById('_4_star').classList.remove("checked");    
    document.getElementById('_5_star').classList.remove("checked");    
  } else if(parseInt(stripID) === 3) {
    document.getElementById('_1_star').classList.add("checked");    
    document.getElementById('_2_star').classList.add("checked");    
    document.getElementById('_4_star').classList.remove("checked");    
    document.getElementById('_5_star').classList.remove("checked");    
  } else if(parseInt(stripID) === 4 && document.getElementById('_5_star').classList.contains('checked')) {
    document.getElementById('_1_star').classList.add("checked");    
    document.getElementById('_2_star').classList.add("checked");    
    document.getElementById('_3_star').classList.add("checked");    
    document.getElementById('_4_star').classList.add("checked");    
    document.getElementById('_5_star').classList.remove("checked");    
  } else if(parseInt(stripID) === 4) {
    document.getElementById('_1_star').classList.add("checked");    
    document.getElementById('_2_star').classList.add("checked");    
    document.getElementById('_3_star').classList.add("checked");    
    document.getElementById('_5_star').classList.remove("checked");    
  } else if(parseInt(stripID) === 5) {
    document.getElementById('_1_star').classList.add("checked");    
    document.getElementById('_2_star').classList.add("checked");    
    document.getElementById('_3_star').classList.add("checked");    
    document.getElementById('_4_star').classList.add("checked");    
    // document.getElementById('_5_star').classList.remove("checked");    
  }
 
}