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Editorial Team
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Asked: 2026-05-16T18:44:25+00:00

I am trying to attempt my first Google Chrome Extension and have a question.

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I am trying to attempt my first Google Chrome Extension and have a question. My end goal is to be able to select a button which will perform the following:

  1. Grab the current URL of the selected tab (Ex: http://www.google.com)

  2. Open a new tab using the URL from step 1 and appending a query string to the end (Ex: http://www.google.com?filter=0)

Currently, I was able to figure out how to open a create a new tab which loads a specified URL. What I am unsure of how to detect the URL from the selected tab and load that value in the new tab. Suggestions? Thanks in advance!!

Code below:

[popup.html]

    <html>
<head>

<style>

body {
  min-width:175px;
  overflow-x:hidden;
}

</style>


<script>

 function createTab() {
  chrome.tabs.create({'url': 'http://www.google.com'});
 }

 function show_alert()
 {
 alert("I am an alert box!");
 }

</script>
</head>

<body>

<input type="button" onclick="createTab()" value="Create New Tab" />
<hr/>
<input type="button" onclick="show_alert()" value="Show alert box" />

</body>
</html>

[manifest.json]

{
  "name": "IGX Plugin",
  "version": "1.0",
  "description": "IGX Plugin",

  "browser_action": {
    "default_icon": "favicon.ico",
 "popup": "popup.html"
  },
  "permissions": [
    "tabs"
  ]


}
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1 Answer

  1. Editorial Team
    chrome.tabs.getSelected(null, function(tab) {
    alert(tab.url);
});
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