While looking at some Javascript code for Mozilla's (Firefox) Add-on SDK, I saw kind of variable declaration I hadn't seen before:  var { foo, bar } = someFunction("whatever");  // just an example   See those curly braces around the v...
I have the following input file tag:  <input type="file" id="handlerxhr1" />   In mozilla when I run the following jQuery code:  var input = $('#handlerxhr1')[0];         $('#upload').click(function() {...
For example, [].map was "implemented in JavaScript 1.6." Is that an ES5 method? How does the 1.6 correlate to an ECMAScript version?...
I have an extension in both Mozilla and Chrome, in my extension I make a call to a remote JS file.  To avoid the CSP in Chrome, I add the rule to manifest.json and my file goin over HTTPS so everything is perfect.  But in Mozilla, I could not find ou...
---Update----  After experimenting more with this, I've determined that the contentScript I have written is not the problem here. For example, if I reduce the extension to merely:  var buttons = require('sdk/ui/button/action'); var data =...
I am using ajax to populate the multilevel checkboxes dynamically depending on the users selections. Like choosing one or more options from first checkbox group will update new checkbox list and so on. I am adding the checkboxes to div. All the check...
I have tried below code for mentioned purpose but this is not working in mozila and also i am getting some extra line in confirmation box.  <html> <head>     <meta http-equiv="Content-type" content="text/html; charset=utf-8...
I'm trying to change the CSS of an HTML element dynamically...for that purpose i am using innerHTML.  The problem I'm facing is, maybe Mozilla remembers the innerHTML of a textarea on the first posting. So if the user edits the text in textar...
I want to set a cookie using javascript, which would be available for all the tabs in browser.  I have used document.cookie = "tracker=ABC"  Even I have tried to set the path also, but result remained same document.cookie = "tracker=ABC;p...
I've been working on Create Firefox extension. i can inject some js file for all webpages. this function works fine.  codevar myExtension = {     init: function() {         // The event can be DOMContentLoaded, pageshow, pagehide, load or unload....

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