write from an html to another using JavaScript -

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i have form written in html contains form. must write html page using javascript , contain information user writes in form.

<!doctype html> <html> <head> <script> function validateform() { var x=document.forms["myform"]["fname"].value; if (x==null || x=="")   {   alert("first name must filled out");   return false;   } } </script> </head>  <body> <form name="myform" action="demo_form.asp" onsubmit="return validateform()" method="post"> first name: <input type="text" name="fname"> <input type="submit" value="submit"> </form> </body>

have used appendchild doesn't accept name of button.

if mean value form , show in popup why don't u try this..

check fiddle

<html> <script> function f() {    var name = document.getelementbyid("name").value;    var mywindow = window.open("","msgwindow","width=400,height=100");    mywindow.document.write("user name = <b><i>"+name+"</i></b>.");    return false; } </script> <body>   <form onsubmit="return f()" >     <input type="text" id="name" />     <input type="submit" />   </form> </body> </html>

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