JavaScript Guide

$http.get('/contactList'). success(function(data){ console.log('got http get');… Read more Typeerror: Cannot Read Property 'get' Of Undefined

I'm trying to make a regex to check a password field, I want to require at least one uppercase … Read more Javascript Regex That Requires One Uppercase Letter, One Lowercase Letter And One Number, And Allows Special

How do I write a method that limits Q promise concurrency? For instance, I have a method spawnProce… Read more How Can I Limit Q Promise Concurrency?

// catch enter code in search form in front page $('#search').keypress(function (e) { v… Read more Enter In Search Box And Redirect To Another Page

I am passing an empty array to a worker, which should populate the array and return it - I know the… Read more Javascript Worker.postmessage Shrinks Empty Array

I have the following: $('.checkbox').click(function () { console.log(this); $.a… Read more On Click Get Input Value Using Jquery

I have 4 servers with different URLs, i want to change one server URL to another server URL if serv… Read more How To Change One Server Url To Another Server Url, If The Server Is Down In Angular6

I'm attempting to create a page where the user is able to customize the form to their needs by … Read more Is There A Way To Dynamically Create Nested Divs Onclick?

Have a look at the screenshot below. As per the screenshot, I have the data fetched into the diff… Read more Store Different Value In The Database From The Forms Created Dynamically Using Php?

i want to append a style sheet(css) link to the head of an iframe using jquery . i tried with the f… Read more Append Element In Head Of An Iframe Using Jquery

i have some problems with my script. So, i want to detect end of my scrolling action. I have my ale… Read more How To Detect End Of Scrolling

I have the following issues/questions regarding my charts: How can I prevent the right y axis tick… Read more Horizontal Stacked Bar Chart With Two Y Axis Issues

I accidentally wrote a wrong JavaScript syntax (I think so). code is var temp = {}; temp.a … Read more Why Browser Is Not Throwing Exception For Syntax Error?

I am using callbacks with socket.io Client code : socket.emit('someEvent', {data:1}, funct… Read more How To Pass Error Object To Socket.io Callback

I have an array of objects that looks like this: var countries = [ {id: SWE, value: 5}, {i… Read more Javascript: Merge Objects By Key

I have downloaded the full package of DataTables with all its module, since it can't be accesse… Read more Datatables+requirejs: Cannot Read Property 'defaults' Of Undefined

I have a page http://example.com/1.html and on it I have a link http://example.com/1.mp4 Download … Read more Set Name Of The Download File Even If Download Link Redirect To Another

I have the following code articles_list.jsx import React from 'react'; import './articl… Read more Uncaught (in Promise) Typeerror: Cannot Read Property 'handleclick' Of Undefined In Foreach Loop

Help with unit testing checkbox behavior. I have this page: Read more Overriding Check Box In Javascript With Jquery

I'm trying to bind an array of id-value pairs to a kendo grid popup editor. Got everything to w… Read more Binding Array Of Object To Kendo Grid Popup Multiselect

Here is my snippet: import axios from 'axios'; import FormData from 'form-data'; va… Read more Fs.createreadstream Is Not A Function

I'm trying to get an angular 2 service to retrieve data from an HTTP request and return it as a… Read more Angular 2 Http Service Not Returning Promise

I'm building a very specific project that has the following: A main window with a canvas eleme… Read more How To Pass Canvas Stream To Another Window Since Createobjecturl Is Deprecated?

I am trying to understand why the following code causes a memory leak Here is the timeline showin… Read more Javascript Memory Leak From Closure Lexical Environment

I have the following problem. I have this structure of HTML code: lorem ipsum, bla bla bla … Read more Click On All 'a' Elements In Paragraph With Specific Class In Casperjs

Hi i have a situation where i want to convert array of object into array of array here is my target… Read more How To Convert Nested Object Into Array Of Array

I have an array called catalogue which holds 4 items: packageid, dataid , categoryid and datapackag… Read more Storing Items Of An Array Depending On Another Value

I'm writing a Webpack plugin that will find all references to i18n/translation functions with t… Read more Finding All Function Calls Through A Webpack Plugin

I have an array of 800 sentences. I want to remove all duplicates (sentences that have the same exa… Read more Removing Duplicate Strings Using Javascript

I have two related drop-down lists, in which the contents in the second drop-down list depends on t… Read more Jquery: Conditional Show An Element Based On Drop Down Box Selection

I found a wonderful jsfiddle that someone has made and wanted to use part of it in my project: http… Read more Why Does This Work In Jsfiddle But Not In My Document

In my project, I am trying to set the caret position always to the end of the text. I know this is … Read more Set The Caret Position Always To End In Contenteditable Div

I am working with a Google Map API and I have imported a kml layer into my code.My problem is that … Read more How To Remove Information From Info Window (on A Kmllayer)

I have 2 dropdown lists, the first one goes as follows : {section name=jj loop=$jezy Solution… Read more Trigger Click Event On A Dropdown List

I have a chart and implemented seriesClick event. When User clicks it loads dataA, when user click … Read more Chart Area And Legend Area Automatically Updates

I have a class called Photo with Parse.Files for different sizes of the photo and a bunch of photo … Read more Parse.com Save Slow With Pointers To Files

I have a multi-select drop-down on my web page and a checkbox to allow user to select all items in … Read more Work Around For Onclick Event Of Option Tag

Was wondering if anyone has any experience or could help with the logic, to track a user (car) with… Read more Track A User Draw Polyline Snap To Roads Bing Maps

What I am trying to create a CSS selector which selects all children within a given parent; but exc… Read more Css Selector To Exclude All Children Where Any Parent At Any Level Has A Class

I am having issues figuring out how to resolve the getElementsByClassName issue in IE. How would I… Read more Getelementsbyclassname Ie Resolution Issue

How many times can a function recursively call itself before breeching PhantomJS javascript engine&… Read more In Phantomjs, What Is The Function Call Stack Limit?

I understand that ServiceWorkers can grab responses out of cached network requests. That said, is i… Read more Using Service Workers To Both Use Cache *and* Update In Background

I have gone through the documentation forward and back and I cannot seem to find a way to give the … Read more Focus By Default In Filter Header Angular Ui Grid

I found this website today http://www.forward-thinker.co.uk/. Does anyone know how to make a sticky… Read more Sticky Header Css / Js

I'm sending a JSON object to ruby with javascript. But I cannot parse it in there. I tried foll… Read more Ruby - Parsing Json Coming Via Url

I am trying to copy a date property from an object and modify it as shown below, yet each time I tr… Read more Changing Date Copied From An Object

I'm using the angular-google-charts [bouil.github.io/angular-google-chart/] directive to create… Read more When Using Angular-google-chart Directive, How Do You Access The Selected Item In The Pie Chart?

I had built an application using Node JS and socket.io. It was working fine. Since I had to move th… Read more Not Able Emit Message After Adding Ssl Over Socket.io

The following code (jsFiddle) draws a red square at random points on a canvas taking care to erase … Read more Fillrect() Not Overlapping Exactly When Float Numbers Are Used

Hi all i am writing calculation of varius asp textbox controls. I want my calculation being done wi… Read more How To Make Keypress Event Of Asp Textbox?

Trying to drag groups. Why doesn't origin work here? Notice how it jumps when you first click o… Read more D3 Drag Jumping To Other Position When Clicked - Origin?

Similarly to this question and this question I can't figure out how to How to configure a Parsl… Read more How To Configure A Parsley Custom Remote Using Javascript, Not Attributes

I use iTextSharp to fill in the PDF server-sided and return it so that the client can download it. … Read more Itextsharp: Javascript In Pdf Not Firing When Filled In In Vb.net

I have a list like this as an input: {value: 1, rest: {value: 2, rest: null}} I want to add an ele… Read more Add An Element At The End Of A List Of Objects In Javascript

While using DWR in a intranet, will disadvantages like perfomance or security issues occur? Direct … Read more What Is The Disadvantage Of Dwr?

I have an issue with Bootstrap 4 carousel in Chrome only. Here is my code: Solution 1: OK so I … Read more Bootstrap 4 Carousel Responsive Issue In Chrome

I got a weird error in IE10 for plUpload plugin, and I found that if I remove this code in our proj… Read more Will These Activexobject And Xmlhttprequest Checks Apply For Any Other Browser Than Ie6?

I have the following form: Name: &l Solution 1: HTML Code -- < p style = "… Read more Form Message Alert

i want to reshare a facebook post by letting my visitors go to some url and press share. I looked i… Read more How To Reshare A Facebook Post

I've come up with the following function for converting a multiline, nicely indented json to a … Read more Converting Multiline, Indented Json To Single Line Using Javascript