<html> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8"> <META http-equiv="Content-Style-Type" content="text/css"> <script language="javascript"> var index=0 function addInput(e){ var obj=e.srcElement||e.target; var div=document.getElementById("inputDiv"); var input=document.createElement("input"); var add=document.createElement("input"); var del=document.createElement("input"); input.value=obj.previousSibling.value; add.type="button"; add.value="+"; add.onclick=function(){addInput(event)}; del.type="button"; del.value="-"; del.onclick=function(){decInput(event)}; var br=document.createElement("br"); div.appendChild(input); div.appendChild(add); div.appendChild(del); div.appendChild(br); } function decInput(e){ var obj=e.srcElement||e.target; var div=document.getElementById("inputDiv"); var delinput=obj.previousSibling.previousSibling.previousSibling; var deladd=obj.previousSibling.previousSibling; var deldec=obj.previousSibling; var deldec1=obj div.removeChild(delinput); div.removeChild(deladd); div.removeChild(deldec1) div.removeChild(deldec) } window.onload=function(){
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<META http-equiv="Content-Style-Type" content="text/css">
<script language="javascript">
var index=0
function addInput(e){
var obj=e.srcElement||e.target;
var div=document.getElementById("inputDiv");
var input=document.createElement("input");
var add=document.createElement("input");
var del=document.createElement("input");
input.value=obj.previousSibling.value;
add.type="button";
add.value="+";
add.onclick=function(){addInput(event)};
del.type="button";
del.value="-";
del.onclick=function(){decInput(event)};
var br=document.createElement("br");
div.appendChild(input);
div.appendChild(add);
div.appendChild(del);
div.appendChild(br);
}
function decInput(e){
var obj=e.srcElement||e.target;
var div=document.getElementById("inputDiv");
var delinput=obj.previousSibling.previousSibling.previousSibling;
var deladd=obj.previousSibling.previousSibling;
var deldec=obj.previousSibling;
var deldec1=obj
div.removeChild(delinput);
div.removeChild(deladd);
div.removeChild(deldec1)
div.removeChild(deldec)
}
window.onload=function(){
}
</script>
</head>
<body>
<div id="inputDiv"><input type="text" value="0"/><input type="button" onclick="addInput(event)" value="+" ></inpit><input type="button" onclick="decInput(event)" value="-" ></inpit></br></div>
<div></div>
</body>
</html>