query: getBackgroundPage gives me "undefined is not a function"
positive_passages.docid: 153546
positive_passages.text: Error thrown when executing chrome.extension.getBackgroundPage()
negative_passages.docid: 34921
negative_passages.text: How do I use a class method as a callback function?
negative_passages.docid: 91761
negative_passages.text: How can I re-enable backspace navigation in Chrome?
negative_passages.docid: 71305
negative_passages.text: Using the BACK button to revert to the previous state of the page
negative_passages.docid: 146718
negative_passages.text: Chrome extension: how to pass ArrayBuffer or Blob from content script to the background without losing its type?
negative_passages.docid: 61544
negative_passages.text: No background options other than default pictures
negative_passages.docid: 9887
negative_passages.text: How can I check if a background image is loaded?
negative_passages.docid: 79724
negative_passages.text: 'WebForm_DoPostBackWithOptions' is undefined in IE11 Preview
negative_passages.docid: 16027
negative_passages.text: Uncaught ReferenceError: $ is not defined?
negative_passages.docid: 38058
negative_passages.text: Why is getWindow() not able to be resolved?
negative_passages.docid: 55647
negative_passages.text: the method getApplicationContext() is undefined
negative_passages.docid: 14660
negative_passages.text: Undefined variable as function argument javascript
negative_passages.docid: 122009
negative_passages.text: I need to open a new window in the background with JavaScript, and make sure the original is still focused
negative_passages.docid: 10857
negative_passages.text: getElementsByClassName produces error "undefined"
negative_passages.docid: 19467
negative_passages.text: "document.getElementByClass is not a function"
negative_passages.docid: 126091
negative_passages.text: Get context of overlay (get parent page information)
negative_passages.docid: 13296
negative_passages.text: How to startForeground() without showing notification?