JavaScript Exercises

I have a page where I send an ajax request to a server. There is a table on the page which displays… Read more Dynamically Update A Table Using Javascript

i am working on a project using Django. I have 3 posts in homepage and each have a comment form wit… Read more How Do I Disabled/enabled Submit Button

I have a simple question that has been vexing me tonight... I have an ASP.NET MVC4 + Razor applica… Read more How To Pass A Model Field To A Javascript Function In A View?

edit: As my question seems unclear - all i want is to add confirm() message whenever the user leave… Read more Alternative Jquery Library To Triger Beforeunload/unload Event

I am currently developing an application using phonegap,jquery mobile for multiple platforms. I hav… Read more Ios Phonegap Disallow Overscroll Not Working Properly

I have a custom component with a selector how do i pass data to it in angular 4 to show data in it… Read more Pass Data To Custom Component In Angular 4

I want to check if a string ends with - v{number} So for example hello world false hello… Read more Check If String Ends With

I am using a Wordpress plugin to add timestamp links of videos that will seek the video automatical… Read more Seekto() Is Not A Function Youtube Iframe Api Error

I was planning on making a personal project with JavaScript until I encountered a problem. I have a… Read more Style.display Block/none Problems

I'm working on an ASP.NET web application for uploading files and I'm having an issue when … Read more Sending Large Json Via Jquery Ajax Errors With 404, Typemismatcherror, Or "not Enough Storage Is Available To Complete This Operation"

I hope it's not a problem to post much specific code here, but I figure it will be better expla… Read more Id Of A Link That A Function Is Called From

I´m integrating a Google Maps in an AngularJS 1.0.7 website. I have a list of items with pictures. … Read more How To Highlight Item On Hover?

why the back button is not display while moving one page to another page ?As in how user move to m… Read more Why The Back Button Button Not Display In Second Screen?

I would like to use the JQuery slider for my mobile application http://docs.jquery.com/UI/Slider Ho… Read more Jquery Slider For Mobile Application

I have 2 jquery datepickers to select a date range. Once I have selected a from date (from the fir… Read more Jquery Datepicker - Activate Another Datepicker On Select

First of all there are few posts already but with satisfactory answers so i am posting the same iss… Read more How To Force Links Or Pages To Open Outside Of Facebook Inapp Browser?

I have window.unload hooked to save my form data in emergencies when the user just closes their bro… Read more Unload Event In Ie10, No Form Data

I have an observableArray which is displayed in a table using foreach binding where values are disp… Read more Knockout Add And Edit Observablearray Conflict

I have this way to make an array var playerList = []; exports.player = function(socket, name) { … Read more Javascript Array Cloning

I was wondering how it is possible to observe changes to an element's css property such as the … Read more How Do You Observe The Width Of An Element In Polymer?

I'm trying to interface ActionScript with JavaScript using ExternalInterface and webpack. Exter… Read more How Do I Access The Global Object (window) Using Webpack?

we have been trying to setup the height for a canvas app without luck. this is the code we are usin… Read more Resizing Canvas For The App

I can't seem to get all elements on a webpage. No matter what I have tried using selenium. I am… Read more How To Find All Elements On The Webpage Through Scrolling Using Seleniumwebdriver And Python

I have a .js file where I am initialising two parameters which are used in a seperate function : v… Read more Is It Bad Practice Declaring Global Variables In A.js File?

I am currently able to scroll down a page with the help of CasperJS. I saw this article on how to s… Read more Scroll Down Page Event For X Seconds

I'm trying to make a function for checking file size and extension on run time, I have done it … Read more Why Ie 9 Not Supporting Javascript Function?

I need to display a list of items in a page, and this page is updated with AJAX. Every time a new i… Read more Append Content On Random Location With Jquery?

I have a webpage made by angularjs and bootstrap, but not ui-bootstrap. There is a drop-down list a… Read more Cannot Re-open The Drop-down List By One Click

I have a part numbers array, ['PCI-33', 'GG-34', 'GG-32'] and I have an ar… Read more How To Take Two Arrays Of Strings To Build Out A Array That Combines Them All?

I need to detect collision circle with any line. I have array with verticles of polygon (x, y) and … Read more Circle Line Segment Collision

I'm unable to get the correct syntax for adding a file (or multiple files) when scanning all el… Read more Append All Data From Form (including Files) To Formdata

Possible Duplicate: Regex to match URL I wrote a regular expression to validate only the followin… Read more Regular Expressions How To Validate A Url

I have a React class that I have written in ES6 style such as: export default class App extends Re… Read more How To Import Plain Javascript Helper Classes Into React?

It must be noted here that I performed the mathematics by hand on paper to derive the foregoing pro… Read more How To Improve Efficiency Of Algorithm Which Generates Next Lexicographic Permutation?

I have a problem with Json pars, I have seen tons of users had this problem I saw them all but I co… Read more Error: Json.parse: Unexpected Non-whitespace Character After Json Data

I have got a simple code and i want create mask for the player. ctx.clearRect(0, 0, canvas.width, c… Read more The Globalcompositeoperation Affected To All Layers?

I have a block of code that I will be using several times within a then statement in mocha so I tur… Read more How Can I Pass Mochas Done Callback Function To Another Helper Function

The index.jsp contains java codes which will fetch some images and texts from a database. In the Ja… Read more How To Show Page Only After Executing Java Codes In Jsp

I need to create a table populated with buttons. Each button must have a unique id in order to edit… Read more Creating Unique Id Buttons In A Javascript Loop

These types of questions are a dime a dozen, and I've gone through resource after resource but … Read more Aurelia Npm Install: Tons Of "gyp Err"

i have this type of html :- Activities Physical1 Cricket One Day Solution 1: Sounds like you need … Read more Set Click Event On Leaf Node

I am using the jQuery live search plugin and need to bind it to all instances of a class. My class … Read more Adding Jquery Live Search To Dynamic Inputs

Node's TLS module provides a resumeSession event for resuming an earlier session. Can someone s… Read more Use Of 'resumesession' Event For Node's Tls Module

I have a button which on click executes this function.This code is to draw a line on canvas element… Read more Cannot Read Property 'getcontext' Of Null

this.firmCategories = this.firmCategories.filter(x => { x.id !== firmCatId; }); I can see tha… Read more What's Wrong With My Array.filter Syntax?

I am new in AngularJS and stacked in simple place. I run simple code: $http.post('/api/login/&#… Read more Access To 'set-cookies' Header In $http

I am trying to figure out how to write a regex that would provide the url from a string like this: … Read more Javascript Regex To Get Url From String Containing Script Tag

I'm new to jQuery, I was hoping you guys could help me. I'm trying to make a hover dropdow… Read more Jquery Drop Down Hover Menu

I would like to know if an element contains any text directly. By directly I mean: not through its … Read more Javascript - Check If Element Directly Contains Any Text

In Postman, I can successfully communicate with my REST API. I can put my API server in various ar… Read more Output Rest Api Status Displayed In Postman To Ajax

in this vue example down below I'm trying to load the 'images' array from an external j… Read more How To Load Data Into Vue.js From An External File Using Vue Only

I've found many definitions of the 'var' statement but most of them are incomplete (usu… Read more Javascript - Do I Need To Use 'var' When Reassigning A Variable Defined In The Function's Parameters?

I hope there is an answer for this question. I'm not good at codeing and I hope someone will u… Read more Different Design Desktop/mobile Devices

I have a web application in which I have generated a huge JSON. I now want the user to be able to d… Read more Downloading Json Including Newline Characters Via Data Uri

I just started learning React and I'm stuck in the following scenario. There is an input field … Read more How To Navigate Via Clickhandlers?

If I want subscribers to initially get at least X, can I use startWith( X ) for an existing Observa… Read more Does Startwith() Operator Turns Observable Into Replaysubject(1)?

can i use dash on the end of javascript object property name like this. I could not find in any doc… Read more Dash On The End Of Javascript Object Property

I'm building a site using react and react-router. My site is split into two sections: front and… Read more React-router Subdomain Routing