JavaScript Exercises

I want to put a button over a fabric.js element which is inside of a fabric.Group. How do I get the… Read more How To Put An Html Element Over A Fabric.js Element

I have a login screen. If the username & password are correct, a token is stored in local stora… Read more Stop Redirection Onsubmit() & Display Error Message Instead

Users selects two or more elements in a HTML page. What i want to accomplish is to find those eleme… Read more How To Find The Nearest Common Ancestors Of Two Or More Nodes?

I'm trying to use some Java Color int values from a database in Javascript. What's the corr… Read more Java Color Integer To Rgb String In Javascript

I'm trying to use blockUI but although it passes over with no errors, it doesn't work the c… Read more Jquery Blockui Not Working

I'm creating a blurred background from an image in canvas with this script: http://www.quasimon… Read more Speed Up Canvas With Webgl Or Webworkers?

Our web application (based on HTML5, SVG & JS) runs fine in all the browsers except Google Chro… Read more Unsafe Javascript Attempt To Access Frame In Google Chrome

I'm currently creating a Chrome Extension that has a popup.html and in that pop up is 2 things.… Read more Chrome Extension Append Input To Url.

Inside a web application I have a loading event. If the browser is loading data from the server, I … Read more How To Set A Cursor Image Via Jquery?

I've got a cookie being set in a framework I'm developing within via JavaScript (the framew… Read more Why Can't I Expire A Cookie With Javascript (not Httponly)

I'm developing an app using Meteor and React as view engine Consider this diagram: React hide c… Read more Sharing Data Between Components In React

How to get e's value without knowing which group, which means only use obj and e? And also can … Read more How To Get Child Object's Element?

I have this code: import {Injectable, ExceptionHandler, SkipSelf, Host, Optional} from '@a… Read more Cyclic Dependency , When Ovveriding Exceptionhandler

I try to animate an image with zooming every one second, it work when I load my page but I want it … Read more Zoom An Image Every One Second Jquery

Using Javascript with Nativescript and I am loading a page through code rather than XML. I have it … Read more Nativescript Add Scrollview Through Code (javascript)

Need to listen 'Back button' in Chrome 77. I know that for this using 'popstate' ev… Read more Can't Listen 'popstate' Event In Chrome 77?

I'm trying to fetch some json data from the stackexchange api. Receiving the OAuth code and acc… Read more Http Request To Stackexchange Api Returns Unreadable Json

I am trying to use cocoon gem to build nested forms. I have models for Organisation, Package::Bip … Read more Rails 5, Cocoon Gem - Nested Form Inside Nested Form

I have just encountered the strangest problem I've ever come across in my humble web developing… Read more Elements Apear Only After Inspect Element

I'm really new to Javascript and I'm having some trouble understanding how to get the follo… Read more How To Execute Javascript Code Using Variable In Url

I need to calculate the width of an element's border. If I set it explicitly (via CSS), then I… Read more Javascript Style Property Is Empty

I have written a php script cch.php $stmtcheck = $mysqli->prepare('SELECT id FROM members WH… Read more Checking Returned Data From Php Script Through Jquery

I have been created simple asp page, I have been created 4 email textboxes and 'add more' l… Read more Javascript Email Validation For Multiple Text Boxes

I am using a ng-repeat element to display a list of elements. Each element has some Parse.Pointer o… Read more Parsejs Angular/ionic Retrieving Relational Object In View (values Getting Displayed When Page Is Opened For The Second Time)

I have this script that a fellow here on the site helped me fix. This is the first part of the code… Read more Add Css In Script, Is It Possible?

I'm stuck with a small problem I think, but I can't find a way to solve it. I want to load … Read more Use Result Of Https Get Request [node.js]

I wrote this animate out script and it works fine on chrome, but does not work on Firefox and I can… Read more Jquery Click Function Not Working On Firefox

I'm using RTCMultiConnection library in a project I'm working on and I'm facing a probl… Read more Share Screen In Firefox Using Rtcmulticonnection

Situation: I want to obtain dimensions and position of an element Context: I am making a card game.… Read more Get Dimensions And Position Of An Element Using Pure Javascript

we have a big ExtJS (still ExtJs 2) application, which provides windows explorer like functionality… Read more Use Extjs And Jquery Together In One Application?

I'm hoping that this isn't too subjective. I feel there is a definitive answer so here goes… Read more Best Way To Inject Html Using Javascript

I'm trying to create a specific type of 3D object in three.js. I want for example a cube in wir… Read more Three.js Wireframe Only Shape With Hidden Edges As Dashed Lines

So I am using this current script below: Read more Else If, Url Redirection

To the esteemed readers. I'm reasonably new in javascript and I have come across this problem. … Read more Setting Up D3 Force Directed Graph

I am a beginner for JavsScript.I want to show the labels when the mouse is over and disappear when … Read more Show Label When Mouse Over A Circle

I can not add any value to the pop-up window. Here is the code: PS Prompt test Solution 1: Can you… Read more Powershell Internetexplorer.application Prompt Box

How can I convert JS array to native array ? In Rhino conversion looked like (Scala code): val eng … Read more Java8 Js Nashorn Convert Array To Java Array

Basically I want a type of an array with a maximum length of 4. Easily enough I wasn't able to … Read more Typescript Restrict Maximum Array Length

I'm working on a Google Docs Add-On based on Google's Quickstart tutorial. I'm trying t… Read more Passing Information To Server-side Function In A Google Docs Add On

I'm using the Fetch API both in the frontend and on the backend (NodeJS), a problem that I'… Read more Whatwg Fetch Fails When Json Parsing An Empty Response, How Can I Prevent It?

Last week at work we noticed that if you try and display a YouTube page in an iFrame you are shown … Read more Social Media Sites Preventing Other Sites Displaying Their Pages In An Iframe

Sorry for the duplication but I can find any solution in the others posts. I'm trying to fill a… Read more Javascript Class Property Not Set In Success Function Of Ajax Call

Im trying to create an Analyser node to get the signal from a microphone, and be able to create a g… Read more Mute Microphone In Speakers But Still Be Able To Analyze (createanalyser) With Web Audio Api?

I have this spinning div and I want it to stop when I click on a button by using the .stop() method… Read more Jquery Stop Animation Method

I'm using nedb and I'm trying to update an existing record by matching it's ID, and ch… Read more Nedb Method Update And Delete Creates A New Entry Instead Updating Existing One

I'm trying to use a Javascript function to load a web page in an iframe named 'cake'. H… Read more Using A Javascript Function To Load A Page In An Iframe

I was wondering how can I empty the files inside on dropzone after it is already saved in the serve… Read more How To Empty The Dropzone Modal After Submitted In Reactjs?

I am new to using twilio. I am using twilio to make calls from browser to phone. In the browser sid… Read more Twilio Send A Voice Message If User Doesn't Answer, In An Outbound Call

I have an if statement in php: if ( $isTrue && db_record_exists($id)) { ... } else { ... }… Read more How To Write A Non-blocking If Statement In Node Js?

I am trying to modify a react native boilerplate so that I can be run on Android platform. I instal… Read more React Native: Can't Find Variable: Require

I got a code for loading an image into a canvas, and it works fine, but when I try to iterate to do… Read more Loading Multiple Images Into Multiple Canvases

I have something like this S.L. name &l Solution 1: You might want to see this page: ht… Read more Sorting Table Rows According To Table Header Column Using Javascript Or Jquery

Does anyone know some tricks how to do it? I tried to use try-catch: 'use strict'; const a… Read more How To Check That Es6 "variable" Is Constant?

I've got some code that requests some data from a servlet, and renders it in a dojox.grid.DataG… Read more Dojo Dojo.data.itemfilewritestore Slow....?

I have something like this: select = document.getElementById('select'); select.onchange = f… Read more Get Inner Html Of The Selected Option

Is there way to or it is possible to do it using javascript/jQuery? Based Link URL: first one will … Read more Auto Checkbox Based From Url Value Using Javascript/jquery

Anyone have any ideas how to handle a long press of a keyboard key in Android WebView. I had assume… Read more Keyboard Long Key Press In Android Webview

How do I force a space after first character as user types. I just need only one space after first … Read more Regular Expression To Force Single Blank Space After A First Character

I guess what I want to do is not possible. I would like open a new window using javascript, this is… Read more Force Window Open In Internet Explorer

Basically I'm trying to create a quick chat room using Node.JS and angular. I've Used other… Read more Socket.io Won't Emit Messages To Rooms On Discconect