JavaScript Exercises

Say I have a js (plain, vanilla non-node js) file, that includes a setting at the top like this: co… Read more Configuring Settings In Javascript In Azure Web App / Built In Azure Devops

My Discord bot needs to check whether a user is in the server or not. I'm using node.js and dis… Read more Check If User Id Exists In Discord Server

I have the latest Chrome, I'm building an extension. Consider the following code: var returnTab… Read more Chrome.tabs.create Function Wrapper, Why Doesn This Work?

I'm trying to send the data got from network in JSP page to html file in order to display it, H… Read more Sending Data From Jsp Page To Javascript In Another Page

I'm new to using ES6 classes with React, previously I've been binding my methods to the cur… Read more How To Use Arrow Functions (public Class Fields) As Class Methods?

var overrideField = document.querySelectorAll('.form_style_override_field'); overrideField… Read more Vanilla Javascript For Loop To Remove Html Elements From Selected Collection

I want to convert date() to '' years/months/weeks/days/hours/minutes/seconds ago. How do I … Read more Php Convert Date To "blank" Days/hours/seconds Ago

I realize that this question has been asked before, but it has been a month with no decent response… Read more Pros And Cons With Jaxer

JQuery UI's .resizable function does not support position: fixed; elements. The moment you try … Read more Jquery Ui Resizable Does Not Support Position: Fixed; Any Recommendations?

In my website, the user's username is always displayed at the top of every page (along with the… Read more How Do I Find The Physical Length Of A String?

I've got a large array of words in Javascript (~100,000), and I'd like to be able to quickl… Read more Javascript / Jquery Faster Alternative To $.inarray When Pattern Matching Strings

I'm trying to tidy up the analysis in Google Analytics by removing query strings from the URL, … Read more Removing Query Strings From The Url Using Google Tag Manager

I know that the Javascript standard does not specify required time complexities for methods like ar… Read more Time Complexity For Javascript Methods In V8

I have a huge asp website project and for its popups, used from showModalDialog. Few months ago moz… Read more Dialog.showmodal Not Supported By Mozilla Firefox Any More

I want to get the width of an element in percentage. I am using the following function to get the s… Read more How To Get Css Property Value In Pure Javascript

According to the documentation, I followed everything correctly, but I keep getting this following … Read more Impossible To Use This Sdk Is It Possible That Its Unstable Sdk?

I have an array of objects as folllows [ {'width':128.90663423245883,'height':1… Read more Get The Sum Of All Specified Elements In An Array Of Objects

My code for this problem works on 8/9 test cases. but i cant figure out why it wont work for the la… Read more Birthday Cake Candles- Hackerrank

Can someone explain why the first iteration of a reverse for-loop logs undefined? Solution 1: At f… Read more Reversed For Loop - First Iteration Undefined

This is my first time working with localStorage, and I'm trying to store a json object which I … Read more Html5 Local Storage Only Returning Values On Home Page, Not Other Pages

What I need is pretty simple, although I don't know if possible.. I'm attaching all my even… Read more Javascript One Function Name In Multiple Files

The title pretty much says it all. Does JavaScript guarantee a total order on objects when using th… Read more Is There A Total Order On Javascript Objects?

I have an image gallery that displays all the images inline, and the targeted image displayed bigge… Read more Duplicate Image In Gallery

EDIT: I want to save input data from my form into Firebase database The input with id='field0&#… Read more Load Script Async?

I am writing a node app with various communities and within those communities users are able to cre… Read more How Cpu Intensive Is Too Much For Node.js (worried About Blocking Event Loop)

It's possible to use a function as the templateUrl. The official documentation for $routeProvi… Read more Angularjs, Use A Function In The Routing As The Templateurl

I am trying to run a react-native app on android emulator, but I am getting an error like Error c… Read more Error Calling Appregistry.runapplication In React-native

How can I read/write cookies for local file:/// HTML document using Javascript or jQuery? I tried t… Read more How To Read/write Cookies For Local File:/// Html Document?

How would you guys conditionally disable checkboxes in an asp treeview? For instance, if an applica… Read more Disabling Asp.net Treeview Checkboxes

I am facing a problem with AngularJS. My application starts, then reaches a specific ngView through… Read more Dynamic Templateurl For Directive In Ngrepeat In Ngview

I have code: let a = {a: 'a', b: 'b'}; let b = {c: 'c', d: 'd'}; le… Read more Object Spread Operator Throw Error In Microsoft Edge

I need a bit of help understanding how to extract Tweets from a verified user. Sorry for the open-e… Read more Retrieving A Twitter-verified User's Tweets In Node.js

I'm trying to create a shopping cart for an assignment using PHP, HTML and Javascript, but I… Read more Connecting Html, Javascript And Php With Sessions

I am using Nodejs to build application in which I need to process certain strings I have used the J… Read more Part Of String Case Insensitive In Javascript Regex (?i) Option Not Working

I am trying to disable all other characters from being entered in text input. Since to get the $ yo… Read more What Is The Keycode For "$"?

I realise this is more of a general question, but I've read through similar answers on here but… Read more Understanding Callback Function Purpose

Greetings, With javascript, I am trying to make a very easy animation, an image moves from one X an… Read more Help Me Improve My Basic Point To Point Move Animation Algorithm

I am new to XML and AJAX and am only a newcomer to Javascript and jQuery. Among other job duties I … Read more Xml To Javascript Array With Jquery

My HTML is: Solution 1: 1.Try to use collapse() with options, the 'parent' is important… Read more Bootstrap Collapse Doesn't Toggle After You Show, Hide Or Toggle From Code

I have a canvas and it includes fabric objects.I want to do opacity slider for text area's back… Read more Opacity Slider For A Fabric Object

By using javascript recursive setTimeout function, is it risky to get the stackoverflow? By trying … Read more By Using Javascript Recursive Settimeout Function, Is It Risky To Get The Stackoverflow?

I'm having a little bit of an issue with some asynchronus looping with calls to mongodb. I have… Read more Looping Array And Checking Mongodb Collection In Loop (async)

i am trying to create a bit of javascript that will create a new text field every time a button is … Read more Add A New Text Field Every Time A Button Is Pressed

I have a div in which I have some contend in that .I need to search text from that div and highligh… Read more How To Search And Highlight In Angular Js?

I am having problems getting Facebook login to work correctly in IE. The problem is intermittent. U… Read more Ie Fb.login Callback Not Running And Xd Proxy Window Left Open

I have a parent window where i open up a Popup window on click of a button: function Test() {… Read more Disable Parent Window On Window.open And Re Enable On Close Of Popup Window

I've been trying to get my nodejs server process to be monitored by supervisor, however I'm… Read more Dotcloud Nodejs Supervisord.conf Not Working

I will assume this is some sort of compatibility issue. Everything works perfectly in chrome, but i… Read more Canvas Draw Image Issue On Firefox, Works Well In Chrome

I trying to create a very simple time difference calculation. Just 'endtime - starttime'. I… Read more Why Do I Get +1 Hour When Calculating Time Difference In Javascript?

Is there any event in Jquery that's triggered only if the user hits the enter button in a textb… Read more Jquery Event For User Pressing Enter In A Textbox?

Using react-native-drawer ( https://github.com/root-two/react-native-drawer ) in my index.ios.js, I… Read more How To Pass Navigator Reference To React Native ?

I am using jquery datatables . http://jsfiddle.net/s3j5pbj4/2/ I am populating around 3000 records… Read more Jquery Datatables Selected Row's Data Getting Reset On Paginated Table While Navigating On Pages

I have an invitation form that should only accept emails handled by GMail. I'm trying to plug i… Read more Jquery Validation - Validate Email Using Ajax Call

here's the code in AWS Lambda function: var https = require('https'); exports.handler =… Read more "error: Getaddrinfo Enotfound" Error When Making An Https Request

{1 + ''} + 10 // 10 {1 + ''} + '' // 0 Why does this happen? Do BlockState… Read more Javascript Blockstatement Confusion

So my app is running off a concatenated admin.bundle.js file. I'm using webpack to manage the m… Read more Sourcemap Generated From Gulp, Not Working As Expected

I want to create an aggregation pipeline which one of the matches use results from other collection… Read more How To Pass Inner Query In Mongodb From Javascript