คำนวณจากจำนวนช่องที่ให้ input ถ้า Input ครบทุกช่องให้เป็น 100%

<script type="text/javascript">
function abc()
{
	var i = 1;
	var total =0;
	for(i = 1;i<=10;i++)
	{
		if(document.getElementById("name"+i).value!="")
		{
			total++;
		}
	}
	
	document.getElementById("result").innerHTML = total;
}

</script>
<input type="text" name="name1" id="name1" onkeyup="abc()">
<input type="text" name="name2" id="name2" onkeyup="abc()">
<input type="text" name="name3" id="name3" onkeyup="abc()">
<input type="text" name="name4" id="name4" onkeyup="abc()">
<input type="text" name="name5" id="name5" onkeyup="abc()">
<input type="text" name="name6" id="name6" onkeyup="abc()">
<input type="text" name="name7" id="name7" onkeyup="abc()">
<input type="text" name="name8" id="name8" onkeyup="abc()">
<input type="text" name="name9" id="name9" onkeyup="abc()">
<input type="text" name="name10" id="name10" onkeyup="abc()">
<div id="result"></div>

var chk = new Array();
var total=0;
function abc(id)
{
	if(chk[id]!=id){
		chk[id]=id;
		total++;
	}

	document.getElementById("result").innerHTML = parseInt(total*100/14)+'%';
	document.getElementById("loading").style.width = parseInt(total*100/14);
}

<input type="text" name="Serial_No" id="name1" onChange="abc('1')">
สมมติมีช่องครบ14อัน


<td bgcolor="#FF99FF" class="style8" id="loading" width="1px"><div id="result"></div></td>

var chk = new Array();
var total=0;
function abc(id)
{
	if(chk[id]!=id){
		chk[id]=id;
		total++;
	}
    else
    {
      chk[id]="";
      total--;
    }
	document.getElementById("result").innerHTML = parseInt(total*100/14)+'%';
	document.getElementById("loading").style.width = parseInt(total*100/14);
}