[英]chrome.tabs.create in popup.html is opening infinite number of tabs. How to open one tab?
显然,这会使用popup.html打开无限多个选项卡。 如何更改它,以便仅打开一个选项卡。
chrome.tabs.create({'url': chrome.extension.getURL('popup.html')}, function(tab) {
// Tab opened.
});
编辑:(基本的popup.html)
<!DOCTYPE html>
<html lang="en">
<!--<script src="script.js"></script>-->
<script src="jquery.min.js"></script>
<script src="popup.js"></script>
<head>
<meta charset="utf-8">
<title> Chrome Extension</title>
<!--<link rel="stylesheet" href="style.css" />-->
</head>
<body id="container">
<div id="left">
<div class="input-wrapper">
hello
</div>
</div> <!-- end #left -->
</body>
</html>
popup.js
function openTab()
{
filename = "popup.html"
var myid = chrome.i18n.getMessage("@@extension_id");
chrome.windows.getCurrent(
function(win)
{
chrome.tabs.query({'windowId': win.id},
function(tabArray)
{
for(var i in tabArray)
{
if(tabArray[i].url == "chrome-extension://" + myid + "/" + filename)
{
// console.log("already opened");
chrome.tabs.update(tabArray[i].id, {active: true});
return;
}
}
chrome.tabs.create({url:chrome.extension.getURL(filename)});
});
});
}
openTab();
Manifest.json:
{
"name": "App",
"version": "1.1",
"manifest_version": 2,
"description": "Test",
"background_page": "background.html",
"browser_action": {
"name": "App",
"icons": ["icon.png"],
"default_icon": "icon.png",
"default_popup":"popup.html"
},
"content_scripts": [ {
"js": [ "jquery.min.js", "background.js" ],
"matches": [ "http://*/*", "https://*/*"]
}],
"permissions": [ "<all_urls>",
"storage",
"tabs",
"contextMenus" ]
}
这是特定标签的煎烤示例。 如果该选项卡不存在,则该功能将打开它,否则将激活现有的选项卡。
function openTab(filename)
{
var myid = chrome.i18n.getMessage("@@extension_id");
chrome.windows.getCurrent(
function(win)
{
chrome.tabs.query({'windowId': win.id},
function(tabArray)
{
for(var i in tabArray)
{
if(tabArray[i].url == "chrome-extension://" + myid + "/" + filename)
{
// console.log("already opened");
chrome.tabs.update(tabArray[i].id, {active: true});
return;
}
}
chrome.tabs.create({url:chrome.extension.getURL(filename)});
});
});
}
另外,您可以在创建新标签页ID时将其存储在后台页面中(类似于下面的草稿),并在标签页关闭时清理变量(通过chrome.tabs.onRemoved.addListener
)。
if(chrome.extension.getBackgroundPage().savedTabId != undefined)
{
chrome.tabs.create({url:chrome.extension.getURL(filename)},
function(tab){
chrome.extension.getBackgroundPage().savedTabId = tab.id;
});
}
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