The chrome extension I am developing inserts content scripts and css onto every page of a website. However, the user may have a certain page or pages he or she does not want the extension to run on, so it would be great if I could set up the browser action as basically a toggle on / off. What I’d
Regexp javascript – url match with localhost
I’m trying to find a simple regexp for url validation, but not very good in regexing.. Currently I have such regexp: (/^https?://w/).test(url) So it’s allowing to validate urls as http://localhost:8080 etc. What I want to do is NOT to validate urls if they have some long special characters at the end like: http://dodo……. or http://dododo&&&&& Could you help me? Answer
countup and countdown loop
I want to count from 3 down to 0 then back up to 3 in a loop. This is kind of “slider” implementation. Everything runs fine until reach the clearInterval from counterry. What am I missing? Answer Use a single loop:
WebAudio not playing after stop(0)
I’m writing something like a web-audio-editor, and I think I’m close to finishing the basics. I can play and stop an audiofile, but when I try to call the play method again it just won’t work, even though the parameters havn’t changed. I’d be glad to see someone look into my problem as I cannot see why it doesn’t work
JavaScript: use defineProperty accessor on an array’s .length?
I would like (mainly for academic reasons) to be able to set an accessor on an array’s length using Object.defineProperty(), so than I can notify for size changes. I am aware of ES6 object observe, and watch.js, but I would like to attempt to do this in ES5 without extra libraries if possible, even if this is only for V8/Chrome.
JavaScript set anonymous Object key to variable name
However, this yields an object with a key of “key”! How can I create a new object with a key of the value of the variable key? Answer You can do this: There’s no way to do it in JavaScript within the object literal itself; the syntax just doesn’t provide for that. edit — when this answer was written, the
Why is this jQuery click function not working?
Code: The above code doesn’t work. When I click on #clicker, it doesn’t alert and and it doesn’t hide. I checked the console and I get no errors. I also checked to see if JQuery was loading and indeed it is. So not sure what the issue is. I also did a document ready function with an alert and that
Resize ArrayBuffer
If I want to create an arraybuffer, I write: var buff = new ArrayBuffer(size) But how is it possible to resize an existing buffer? I mean, adding some more bytes at the end of the buffer. Answer I’ve done it in C++ like this. Just made a bigger array and copy the contents over and then return the larger array
index operator in handlebars say Unexpected token ,
I have #each loop in my ember app and want to know index of loop, so I try to using {{@index}} like this : But in chrome, I get this error: My ember.js version is rc8 and handlebars is 1. I need a solution to find index of #each. Answer You can get the contentIndex from itemViewClass of the #each
Convert an array to a list using jQuery
Got a challenge to convert a two dimensional array to a html list. the array is like The structure of the nested array item is id, textOfLink, parent. parent 0 means top level, parent 3 means the item is under another list item with id of 3. the target output will a list in html like please note the array