jQuery select element in parent window

Is there a way to select a DIV in the parent window using jQuery?

For example:

Main page contains this,

<div id="testdiv"></div>

Popup page has a form with some options and an 'Apply' button. When the user clicks apply it affects the style attribute on the main page.

Something along the logic of,

parent.$("#testdiv").attr("style", content from form);

Use the context-parameter

$("#testdiv",parent.document)

But if you really use a popup, you need to access opener instead of parent

$("#testdiv",opener.document)

TARKUS

I looked for a solution to this problem, and came across the present page. I implemented the above solution:

$("#testdiv",opener.document) //doesn't work

But it doesn't work. Maybe it did work in previous jQuery versions, but it doesn't seem to work now.

I found this working solution on another stackoverflow page: how to access parent window object using jquery?

From which I got this working solution:

window.opener.$("#testdiv") //This works.

crodriguez

I came across the same problem but, as stated above, the accepted solution did not work for me.

If you're inside a frame or iframe element, an alternative solution is to use

window.parent.$('#testdiv');

window.opener refers to the window that called window.open( ... ) to open the window from which it's called
window.parent refers to the parent of a window in a frame or iframe element

You can also use,

parent.jQuery("#testdiv").attr("style", content from form);

why not both to be sure?

if(opener.document){
  $("#testdiv",opener.document).doStuff();
}else{
  $("#testdiv",window.opener).doStuff();
}

来源：https://stackoverflow.com/questions/6017796/jquery-select-element-in-parent-window

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