Firefox addon to view/edit/create localStorage data? [closed]

FireStorage Plus! A great new FireFox Addon which is officially recognized by Firebug is available from the Mozilla gallery: http://addons.mozilla.org/en-US/firefox/addon/firestorage-plus/ This plugin extends Firebug to give you the functionality you need. As with Firebug itself, FireStorage Plus! is currently under heavy development so new features come out every couple of days… It is stable and … Read more

.setAttribute(“disabled”, false); changes editable attribute to false

A disabled element is, (self-explaining) disabled and thereby logically not editable, so: set the disabled attribute […] changes the editable attribute too Is an intended and well-defined behaviour. The real problem here seems to be you’re trying to set disabled to false via setAttribute() which doesn’t do what you’re expecting. an element is disabled if … Read more

How to identify who initiated the http request in Firefox?

As of June 2020, there is no official method/way of achieving http request requester filtering/identification. Currently the only possibility is what is done on the question’s code which is separating requests from web-pages/tabs and the other Firefox’s components (feed updates, extensions requests, XHR requests from XPCOM components, etc). As mentioned on the comments this is … Read more

Convert URL to File or Blob for FileReader.readAsDataURL

To convert a URL to a Blob for FileReader.readAsDataURL() do this: var request = new XMLHttpRequest(); request.open(‘GET’, MY_URL, true); request.responseType=”blob”; request.onload = function() { var reader = new FileReader(); reader.readAsDataURL(request.response); reader.onload = function(e){ console.log(‘DataURL:’, e.target.result); }; }; request.send();

How do I write a Firefox Addon? [closed]

We tried to make https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions answer all those questions. The first three links in the documentation section are about getting started (that includes something like Adam’s link, before it became stale). The newsgroup and the irc channel in the Community section are the official discussion boards. Mozilla is very complex, so any kind of API … Read more

How to get notified about changes of the history via history.pushState?

5.5.9.1 Event definitions The popstate event is fired in certain cases when navigating to a session history entry. According to this, there is no reason for popstate to be fired when you use pushState. But an event such as pushstate would come in handy. Because history is a host object, you should be careful with … Read more

How can I fix WebStorm warning “Unresolved function or method” for “require” (Firefox Add-on SDK)

Do you mean that require() is not resolved? You need to either add require.js to your project or enable Node.js Globals predefined library in Settings/Languages and Frameworks/JavaScript/Libraries. (Edited settings path by @yurik) In WebStorm 2016.x-2017.x: make sure that the Node.js Core library is enabled in Settings (Preferences) | Languages & Frameworks | Node.js and NPM … Read more

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