Passing of value from Child to parent window

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entered value from child window to parent window

From a child window or a small window once opened, we can transfer any user entered value to main or parent window by using JavaScript. You can see the demo of this here. Here the parent window is known as opener. So the value we enter in a child window we can pass to main by using opener.document object model. So if the name of the form in parent window is f1 and the text box where we want the value to be passed is p_name ( in parent window ) then from the child window we can access them by using the object.

opener.document.f1.p_name

The value for this object can be assigned like this

opener.document.f1.p_name.value="Any value";

Related Tutorial

• Refreshing the parent window
• Opening Window

We will try to make it interactive so we will assign this to a value entered by the user. Then we will use one input box in child window and name it as c_name. So we can pass the value of the input box of child window to the parent window input box by this line.

opener.document.f1.p_name.value = document.frm.c_name.value;

We will keep this line inside a function and call this function on click of a button. Inside the function after executing the above line we will add the code to close the child window. Like this ..

opener.document.f1.p_name.value = document.frm.c_name.value;
self.close();

Here is the demo, Click the button ( take care of popup blocker of your browser ) and enter your name in child window opened. Then once closed it will be available at parent window.

To open the child window this is the code used in parent window

<form method=post action='' name=f1>
<table border=0 cellpadding=0 cellspacing=0 width=550> <tr>
<td ><font size=2 face='Verdana'>Your Name</font><input type=text name='p_name' size='8'>
<a href="javascript:void(0);" NAME="My Window Name" title=" My title here "
onClick=window.open("child3.html","Ratting",
"width=550,height=170,left=150,top=200,toolbar=1,status=1,");>Click here to open the child window</a>

</td></tr> </table></form>

Inside the Child window code is here

<html>
<head>

<script langauge="javascript">
function post_value(){
opener.document.f1.p_name.value = document.frm.c_name.value;
self.close();
}
</script>

<title>(Type a title for your page here)</title>
</head>

<body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#800080" alink="#ff0000">

<form name="frm" method=post action=''>
<table border=0 cellpadding=0 cellspacing=0 width=250>

<tr><td align="center"> Your name<input type="text" name="c_name" size=12 value=test> <input type=button value='Submit' onclick="post_value();">
</td></tr>
</table></form>

Displaying alert window with message

prompt window for user input

Confirm window for user choice

Opening a child window

Closing child window on click of a button

Refreshing parent window from child window

Passing of data from child window to parent window

Showing a conformation window to user before deleting

Displaying JavaScript pop up window

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