Изменить js срипт

Есть скрипт простенький

<div class="finfo">
 <span class="finfo-line"></span>
 <div class="finfo-block">
 <div class="finfo-title">Запомни:</div>
 <div class="finfo-text"><noindex><center>
 <span style="font-size:12pt"><span style="color:yellow">Запишите на какой серии и сезоне вы остановились
</span></span><br><br>
<style type="text/css">
input[class="ntSaveForms"] {
 padding:0.2em 1em;
 width: 70px;
 line-height:1em;
 cursor:pointer;
 border-radius:10px;
 color:#000;
 font-size:inherit;
 border:solid 1px #ccc;
 background-position: center bottom;
}
 .formforsave {
 background: #23AC5D;
 padding: 10px;
 color: #fff;
}
</style>
 Сезон: <input class="ntSaveForms" placeholder="сезон" type="text" value="" data-com.agilebits.onepassword.user-edited="yes">
 <script type="text/javascript"> (function(){ var e = document.getElementsByClassName('ntSaveForms'); var text, cl; for(var i =0; i<e.length;i++){ cl = 'ntSaveForms' + i + location.pathname; text = localStorage[cl]; console.log(text); if(text && !e[i].value) e[i].value = text; } for(var i =0; i<e.length;i++){ e[i].index = i; e[i].onkeyup = function(){ localStorage['ntSaveForms' + this.index + location.pathname] = this.value; console.log(localStorage['ntSaveForms' + this.index + location.pathname]); } } var g = document.getElementsByClassName('ntSaveFormsSubmit'); for(var j =0; j<g.length;j++){ g[j].onclick = function(){ for(var i =0; i<e.length;i++) localStorage['ntSaveForms' + i + location.pathname] = ''; } } })(); </script>
 &nbsp;Серия: <input class="ntSaveForms" placeholder="серия" type="text" value="">
 <script type="text/javascript"> (function(){ var e = document.getElementsByClassName('ntSaveForms'); var text, cl; for(var i =0; i<e.length;i++){ cl = 'ntSaveForms' + i + location.pathname; text = localStorage[cl]; console.log(text); if(text && !e[i].value) e[i].value = text; } for(var i =0; i<e.length;i++){ e[i].index = i; e[i].onkeyup = function(){ localStorage['ntSaveForms' + this.index + location.pathname] = this.value; console.log(localStorage['ntSaveForms' + this.index + location.pathname]); } } var g = document.getElementsByClassName('ntSaveFormsSubmit'); for(var j =0; j<g.length;j++){ g[j].onclick = function(){ for(var i =0; i<e.length;i++) localStorage['ntSaveForms' + i + location.pathname] = ''; } } })(); </script>
 &nbsp;Время: <input class="ntSaveForms" placeholder="00:00" type="text" value="">
 <script type="text/javascript"> (function(){ var e = document.getElementsByClassName('ntSaveForms'); var text, cl; for(var i =0; i<e.length;i++){ cl = 'ntSaveForms' + i + location.pathname; text = localStorage[cl]; console.log(text); if(text && !e[i].value) e[i].value = text; } for(var i =0; i<e.length;i++){ e[i].index = i; e[i].onkeyup = function(){ localStorage['ntSaveForms' + this.index + location.pathname] = this.value; console.log(localStorage['ntSaveForms' + this.index + location.pathname]); } } var g = document.getElementsByClassName('ntSaveFormsSubmit'); for(var j =0; j<g.length;j++){ g[j].onclick = function(){ for(var i =0; i<e.length;i++) localStorage['ntSaveForms' + i + location.pathname] = ''; } } })(); </script><p></p>
 </center></noindex> </div>
 </div>
 </div>

Нужно хочу поменять функционал. Можете набросать каркас функции ? Не понимаю как работают с выделением .