Ways to conceal elements when a webpage is displayed in a pop-up window

JavaScript

// Open popup window
$('a.popup').click(function(){
    window.open( this.href, 'Page title', 'width=600, height=650' );
    return false;
});

HTML snippet

<a class="popup" href="sample.html">

In order to hide the header and footer in a popup window that opens sample.html, is it possible to add a specific class name to the <html> or <body> elements? This way, I can apply custom CSS rules accordingly. Your assistance would be greatly appreciated!

Answer №1

Extracted from the sample.html file within the <head> section, simply verify if the window.opener object exists by using the following code:

<script>
   if (window.opener) {
      /* I am a popup, so add the "popup" class to the <html> element */
      document.documentElement.className += " popup";
   }
</script>

Afterwards, you can define your own custom CSS styles using the class .popup, for example:

header { display: block; }
.popup header { display: none; }

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