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Bare minimum Chrome extension to inject a JS file into the given page when you click on the browser action icon. The script then inserts a new div into the DOM.
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// this is the background code... | |
// listen for our browerAction to be clicked | |
chrome.browserAction.onClicked.addListener(function (tab) { | |
// for the current tab, inject the "inject.js" file & execute it | |
chrome.tabs.executeScript(tab.ib, { | |
file: 'inject.js' | |
}); | |
}); |
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// this is the code which will be injected into a given page... | |
(function() { | |
// just place a div at top right | |
var div = document.createElement('div'); | |
div.style.position = 'fixed'; | |
div.style.top = 0; | |
div.style.right = 0; | |
div.textContent = 'Injected!'; | |
document.body.appendChild(div); | |
alert('inserted self... giggity'); | |
})(); |
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{ | |
"name": "Injecta", | |
"version": "0.0.1", | |
"manifest_version": 2, | |
"description": "Injecting stuff", | |
"homepage_url": "http://danharper.me", | |
"background": { | |
"scripts": [ | |
"background.js" | |
], | |
"persistent": true | |
}, | |
"browser_action": { | |
"default_title": "Inject!" | |
}, | |
"permissions": [ | |
"https://*/*", | |
"http://*/*", | |
"tabs" | |
] | |
} |
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