I have an object that looks like this: I have lodash installed in my application for other things. Is there an efficient way to use lodash to delete the entry: {“subTopicId”:2, “number”:32} from the obj object? Or is there a javascript way to do this? Answer As lyyons pointed out in th…
Author: admin@master
How to show progress bar until the page completely loads in HTML5/CSS3?
I want a Flash website for loading my html5/css3 webpage. The page should only appear when it is completely rendered. Before it is displayed, a loading bar must appear. How should I do that? Do I need something else apart from HTML5 and CSS3? Please provide me with the tutorial. Answer Put a div at the beginn…
Bootstrap Carousel Image Not Display in Full Width
I’m creating a simple HTML template using Bootstrap 3. I check the template in medium size display, it looks ok. But when I check it in larger display (and higher resolution), I see some white space at the right side of the images inside the Carousel. Screenshot: My code for the Carousel: How to fix thi…
Inserting MySQL results from PHP into JavaScript Array
I’m trying to make a very simple autocomplete function on a private website using a trie in JavaScript. Problem is the examples I have seen and trying are just using a predefined list in a JavaScript array. e.g. var arrayObjects = [“Dog”,”Cat”,”House”,”MouseR…
Detecting that the peer’s browser was closed in a webrtc videochat
I’ve been implementing a webrtc videochat. Everything is working smoothly except for the case when the peer closes the browser. I’ve been trying to handle this event by implementing an onended callback on the remote mediastream. Though, this callback does not seem to ever be called. How can I dete…
Expanding “Activate Later” functionality
I would like to call some implemented validation Javascript method When I click on the Button “Activate Later” (see the pic). Any Idea how to do this? Answer You will need to overlay the siteadmin at /libs/wcm/core/content/siteadmin. Just copy that node structure and place it at /apps/wcm/core/con…
Playing audio from characters of a textbox using JavaScript
I am a complete noob and I have started trying to do a program which plays the sound of each letter’s keycode every time it is pressed in the textbox and deletes the text every time I press the Spacebar. The program clears the textbox when I use the space button, but it doesn’t play sound with any…
JavaScript factorial prevent infinity
I have been using this function for calculating factorial numbers in JavaScript: All seemed to be going well until I tried the number 500. It returned infinity. Is there a way that I can prevent infinity as an answer? Thank you. Answer You indeed need to use bignumbers. With math.js you can do: This will outp…
Make a DIV and all children elements smaller
I want to re-size a part of HTML in my design. I need this change to happen as an animation. The DIV itself and all it’s inner elements i.e. Images, Paragraphs, Anchors etc should be re-sized just like when you re-size an image with a constant aspect ratio. I think, the tool should get current height an…
Show/hide ‘div’ using JavaScript
For a website I’m doing, I want to load one div, and hide another, then have two buttons that will toggle views between the div using JavaScript. This is my current code The second function that replaces div2 is not working, but the first one is. Answer How to show or hide an element: In order to show o…