JavaScript Exercises

hope that title makes sense. I'm a noob at javascript. What I want to do is have a form which w… Read more Change Input Value Based On Another Input's Value

I am using UI bootstrap to create modal dialog. It works fine if I use 'templateUrl' and us… Read more How To Pass Html Markup In Ui Bootstrap Modal

I write script for Wordpress plugin and have problem with ajax response. When i want get json file,… Read more Jquery Ajax Return Readystate 1 Or Incorrect Data Type

I'm trying to use express in a prototype function ioServer() { } module.exports = ioServer; … Read more Typeerror: App.get Is Not A Function

I am building an Facebook IFrame App. I am using the below javascript code to request user to login… Read more Facebook Login And Iframe Redirection

I am building an angular 4 App that needs a graph. For graphs I am using Plotly.js, this works as i… Read more Plotly In Angular 4 Not Finding Html Element With Ngif

I have implemented the JQuery Countdown Timer (jquery.lwtCountdown-1.0.js). Am facing the delay in … Read more Jquery Countdown Timer Delayed

const alphabets= { first: ['a', 'b', 'c'], second: ['d', 'e… Read more Why Is This Loop Using Function Parameter Returning Only Once?

I am working on namespacing some applications and I am not understanding scope within a namespace. … Read more Javascript Namespacing And This/that Scope

I created a map that focuses on a user's location. The map has a single marker with an info win… Read more How To Show A Map Focused On A Marker Using A Click Event On Google Maps Javascript Api V3?

I am trying the following code for triggering a js method when space-bar is pressed within an input… Read more Event.keycode Not Returning Correct Values In Firefox

I'm trying to use a sprite image for google map marker but it does not display. Here is the cod… Read more Google Maps Image Marker Is Not Placing Correctly In The Sprite

I can't figure out how to destroy my cache to get a new list from my server. When I get the fir… Read more Destroying Angularjs $http.get Cache

So I got 4 rectangular shapes and I'm trying to apply a sorting algorithm (painters algorithm) … Read more How To Sort Objects? (painters Algorithm)

I'm trying to render a HTML page in every 10 secs in Python with Requests-HTML module. For the … Read more Runtimeerror: There Is No Current Event Loop In Thread 'thread-1'. - Requests_html, Html.render()

I'm trying to make a webpage where, depending on whether user 1(left textarea) or user 2(right … Read more How Do I Make New Messages Appear On Left/right Depending On Who Sent Them? (no Float)

I've created a page that displays the size of your browser page. The problem lies with the text… Read more Line-height Not Vertically Centering Text On Mac But Looks Fine On Windows

I have a service that I subscribe in the, let's say A component. I have a method in the A compo… Read more Observing Data Changes From Parent To Child Or Vice Versa

I originally had a route in node.js that stated this: If the req.url === something or something or… Read more Or Operator Not Working In If Statement Node.js

I'm working on building a simple line chart using Chart.js (the 2.0.2 beta) and I'd like to… Read more Acceptable Range Highlighting Of Background In Chart.js 2.0

I am trying to implement a filtering functionality for showing list of buses based on some paramete… Read more Javascript :dynamic Expression In Filter Function Based On Variable Values

let's say I've got an array, var animals = ['dog','cat','rat']; the… Read more Javascript Pass By Reference Workaround

I want to redirect to Internet Explorer from other browsers by JavaScript. How can I do that? Solut… Read more How Can I Redirect To Ie From Other Browsers?

Currently I am doing a project which involve Nvelocity template, however, I need use advance foreac… Read more Nvelocity Advance Lopping Syntax

I'm new to NodeJS function calls and I have been banging my head on the screen for a few hours … Read more Aws Lambda - Nodejs Function Will Not Return Data

I have Vuetify installed in my Laravel project but none of the v- classes are working. There are no… Read more Vuetify Not Being Applied In Laravel

I'm putting together a dashboard and trying to do something that should be straight-forward. T… Read more Having Trouble With Getfilteredrows Using Google Chart Api Dashboard

I have got two arrays . I am filtering based groupKey with PubSidebar. I am facing problem to pass… Read more How To Filtering Javascript Array Of Objects

I'm trying to learn Angular 2, so I was making some hello world examples. Here is my code: boot… Read more Instance Angular 2 Component Two Times

Since version 5 Bootstrap framework has removed jQuery as a requirement. I want to know how this ch… Read more Bootstrap 5 In Angular Application

My webapp alert looks like this: InputCoordinates.html Latitude must be filled out. I would say t… Read more How To Make A Javascript Alert Not Say The Name Of The Page?

I am making a chrome extension that uses http://loopj.com/jquery-tokeninput/ to add tokens. $(funct… Read more Chrome Extension Error When Returning Json: Resource Interpreted As Script But Transferred With Mime Type Text/json

My problem is that chart js is rendering the bar chart based on the order defined on the dataset. A… Read more Chartjs - Stacked Bar Chart Blocking Other Values

I have tried using this script: Read more $(window).bind('beforeunload' Not Working When Calling A Function First

i have https://github.com/tkrotoff/jquery-simplecolorpicker-rails and i have tried https://github.c… Read more Rails 3 Does Not Render Jquery Properly

To make the question clear: is the proposal below considered 'secure'? (i.e. doesn't in… Read more Secure Browser-side Cache In Local Storage

I am using several layered canvas plus fabric.js canvas like so: Solution 1: After some hours of t… Read more How To Force Imagesmoothingenabled To Be False

Using the following code of multi-filtering select inputs in Datatables is it possible to show only… Read more Dynamic Filtering Values In Select Elements In Datatables

I am creating a map with about 1000+ points using Openlayers. Currently when I click on one point&#… Read more How To Edit Popup Using Openlayers Text Layer

After searching SO and other articles (all in vein) a few days before I asked a question about gett… Read more Get Substring Between Two Characters In Javascript

Excuse me for creating a new question, I was not able to find a question addressing this matter. I… Read more Babel - Decorator Of Decorated Class Properties Is Called Before Instantiating Class

I quite often have optional arguments in functions, but some testing is showing a huge performance … Read more Performance Penalty For Undefined Arguments

I am developing a project and I have to use google places api for web. I am using google api for lo… Read more Google Places Api Key Error

I'm having an issue with IE11. The document.querySelectorAll is causing some issues. Whenever … Read more Queryselectorall Method Is Not Supported With Ie11 In Standards Mode

I have a site using jquerymobile. It loads an initial webpage, and then as other pages are clicked… Read more Is Is Possible To Change Page Zoom In Mobile Safari Via Javascript?

var xPos = new UnitValue( 0.5,'px') ; var yPos = new UnitValue( 0.5,'px'); var pixP… Read more C# Equivalent To This Code

I'm using the following to toggle several links on a page with relevant data Option 1 Solution … Read more How To Change Style Of Active Toggled Anchor When Using Jquery Toggle?

In my javascript code I have the following Math.log(20) = 2.995732273553991 In my excel formula I … Read more Excel Log Equivilent To Js Math.log()

In my Angular app, I need to send an $http.delete request this route /projects/:id/activityTypes (n… Read more Send Angular $http.delete With Body

Is there a simple way to set up checkboxes to toggle (on/off) KML layers for Google Maps v3? I'… Read more Toggle Kml Layers In Google Maps V3

I want an element to listen for a custom event that is actually triggered by itself. The custom eve… Read more Jquery .on Itself

Partial success with the Chrome InApp purchase flow within a Chrome extension. I have included the … Read more Chrome Webstore Extension In App Purchase Internal_server_error

Hello Everyone hope you all doing great , this is my code , function with name and callback taking… Read more Javascript Functions , Return Undefined

I have one of the grid column called Action Links and it shows data as JSON format as follows: {&… Read more Kendo Ui Grid Created On Fly Using Javascript

const myObj = { a: [1, 2, 3], b: [2, 4, 6], c: [10, 20, 30] } Into const myCollection = [ {a:… Read more Efficient Way To Convert Object Arrays Into Collection In Javascript

I want to make an image begin scaled all the way down in x in, and then animate all the way up in x… Read more Can't Transition Between Scale 0 And 1 With Css Transitions

This CSS is working for remove marks... #mychart .c3-circles-avg2017, #mychart .c3-circles-avg2018… Read more Need To Display None Or Not Generate Chart Marks

In the following code snippet I declare a global variable and then check for its presence inside a … Read more Variable Shadowing And Testing For Existence Before Assignment In Javascript

I have encountered an error while trying to declare a variable inside of a Javascript class. Here i… Read more Javascript Class Variables

I'm using the following directive to detect when a click is made outside a div: app.directive(&… Read more Click Outside Div - When Div Has Buttons That Fires Events - Angularjs

What is the difference between Jquery's .clone() and .html() functions? Jquery documentation st… Read more What's The Difference Between .clone() And .html()?

I am rewriting a web application from Mapbox.js to Mapbox GL js. Using the standard 'mapbox://s… Read more Mapbox Gl Js Available Icons

So I want to be able to count the number of properties within each object in an array... value … Read more Count Length Properties Of Each Object.entry

Both the button and the div have the same 'onclick' code, yet the execCommand only seems to… Read more Why Doesn't The Document.execcommand Work When I Click On A Div?

I have a very basic question: SELECT name, surname CONCAT(name, surname) AS name_surname from users… Read more Mongodb Select And Concatenate Fields

A tree api returns childrens when node element is passed to it. I pass the root node first and then… Read more Recursive Promises To Create Tree