What is a parent window?

The Window. parent property is a reference to the parent of the current window or subframe. If a window does not have a parent, its parent property is a reference to itself. When a window is loaded in an , , or , its parent is the window with the element embedding the window.

How do you find the parent element in a child window?

You just need to prefix “ window. opener. ” and write the same code that you will write in the parent window’s HTML page to access its elements.

Which method is used to get parent window?

To obtain a window’s owner window, instead of using GetParent, use GetWindow with the GW_OWNER flag. To obtain the parent window and not the owner, instead of using GetParent, use GetAncestor with the GA_PARENT flag.

What is window parent postMessage?

postMessage() The window. postMessage() method safely enables cross-origin communication between Window objects; e.g., between a page and a pop-up that it spawned, or between a page and an iframe embedded within it.

What is a parent frame?

The parent frame of a function evaluation is the environment in which the function was called. It is not necessarily numbered one less than the frame number of the current evaluation, nor is it the environment within which the function was defined.

How do I check if a parent window exists?

3 Answers

  1. if you like to check if the parent window is within an frame, just use if(parent==top) (will return true if the parent window is not a frame)
  2. U can understood my question.
  3. Edit ur answer as if(parent==top)
  4. You just saved me an hour.

How do I find my parents Windows ID?

Access parent window id from child window

  1. I have a parent window named eventLog.jsp.
  2. And a child window named processManager.jsp.
  3. Parent window has a button, on clicking of the button, it calls a function getEventLogProcess().
  4. getEventLogProcess() will open the popup window(processManager.jsp/child window)

What is child window in HTML?

Opening a small (or child ) window from a main ( or parent ) window. We can open a small window known as child window by clicking a button or a link or a image of a main window. We can control the width, height and location ( alignment from top left corner of the screen ) of the small window from the main window.

Can I use window postMessage?

window. postMessage() is a safe way to send messages between windows in different domains or origins. One can also post to an IFrame. The data being sent is serialized using the structured clone algorithm and will accept almost any type of simple or complex data.

How do I get parent iframe?

Once id of iframe is set, you can access iframe from inner document as shown below. var iframe = parent. document. getElementById(frameElement.id);

What is parent object in Javascript?

The object to which a given property or method belongs.