JavaScript Guide

So I'm trying to create a simple chart using chart.js. The chart consists of price values for … Read more 'chart.js' Time Chart Not Displaying Properly

In the HTML code, I use jQuery to hide or display an element having an ID. How can I test if an ele… Read more How Can I Test If An Element Is Already Visible?

I want to be able to create base64 files (images, sounds, video) without any previous models. For e… Read more How To Create A Base64 File From Nothing?

I am trying to return the result parameter from the getColumn function. When logging, it returns u… Read more How To Return Nested Promise

After reading (the interesting) .prop() vs .attr() and jQuery Performance : attributes doubt arise … Read more .prop() Vs .val() .setting An Input Text Value With Jquery

I am building a search form using Google Maps Javascript V3 API. I would like to add some filters t… Read more Hide Markers On Click With Google Maps Api

Hi all :) I'm new in HtmlUnit (Java). It's my first time to use HtmlUnit stuffs. I'm ha… Read more Use Htmlunit, Doesn't Work Button Click();

Function I'm spying on, receives object as an argument. I need to assert that the function been… Read more Has Been Called With Object Assertion

I am trying to select only one element with the class name postcode-overlay-not using jQuery(this).… Read more Trying To Select Single Elements Within A Class. Not Working With "jquery(this).next"

I have a swf streaming an flv with the default controls from Flash. Is there a way to call a javasc… Read more Calling A Javascript Function From Flash Movie Controls

Below is an element is within my mainController and my js look like this //service app.servic… Read more Angularjs Service Doesn't Work In My Case

alert is not working as expected! i don't know why... I am trying to evaluate a form on client … Read more Alert Not Displaying In Js

I want to convert my local time (shown below) to UTC. Local time can belong to any timezone which a… Read more How Do I Convert Local Time To Utc?

I am building a backbone app for the first time - and it is going great. However, I don't think… Read more Backbone Dom Events Firing Multiple Times

I've set up a simple push notification site, the notifications arrive okay if the browser is in… Read more Fcm Push Notifications Arrive Twice If The Browser Is In Background

This is an example: function func1() { setTimeout(function(){doSomething();}, 3000); } for(i=0;… Read more Settimeout Happens Only Once In A Loop Expression

I have an element (a checkbox), with this HTML: Solution 1: If the question is: What can cause cli… Read more What Can Cause Click() Method To Fail?

I have a website http://www.provaltech.com , from last few days I am working on speed solution for … Read more How To Solve Wordpress Website Speed Issue?

I wish to get a json file with a get request from a webservice, and I have a 'cross origin requ… Read more Javascript Function Onload Never Called

Is it possible to change a graph's x axis type from category to datetime on drilldown? I have s… Read more Changing X Axis Type From Category To Datetime On Drilldown

I would like to call a function saveData($scope.data) I understand there is an interval function in… Read more How Can I Make A Function Execute After 2 Minutes And Then At 2 Minute Intervals After That?

I have a function that loads a vector source from a local geojson file. Problem is, I need it to b… Read more Loading Source Vector (features Won't Show?)

I'd like to use JavaScript/jQuery Mobile to capture a date inputted by the user, and then once … Read more Send Data To Parse Once The "submit" Button Has Been Clicked

I'm making a chat application using SignalR API. I'm getting error as: 0x800a138f - JavaSc… Read more Getting 0x800a138f - Javascript Runtime Error: Unable To Get Property 'client' Of Undefined Or Null Reference

I created a on submit function that grabs different data along with images, if the user has uploade… Read more Issue With Sending Image Over Ajax

I have a scroll to top button on my page, but when I click it, it doesnt scroll to top, it just tak… Read more How To Make My Scroll To Top Button Animate Smoothly

I would like to find out, in Javascript, which previous element had focus as opposed to the current… Read more Retrieving Previously Focused Element

I wrote a program which includes the browser widget from swt. Now I navigate to google and want to … Read more Search String In Swt Webbrowser Widget

Someone in the question Is there any reason to manually return in a constructor function mentioned … Read more What Version Of Javascript Introduced Arbitrary Constructor Return?

I have a form that I am trying to validate that has two fields: Email a Solution 1: You can bypas… Read more Jquery Validate: Validate That One Field, Or Both Fields Of A Pair Are Required

I cant find a way to add a class to an 'a' element of a nav bar. This is the html nav and … Read more Active Link After Click

I'm using the jQuery plugin Quick Flip, but I'm having two issues with one of my pages. Fir… Read more Jquery Quick Flip Switch Back

I'm hosting my little project on Heroku. My problem is that when I write to an HTML file it'… Read more Updating A Html File

I'm loading JSON data into an object via ajax, copying that object to new objects (initData and… Read more Why Does Updating Properties In One Object Change Another Object?

This may be a silly question, but why are function arguments in JavaScript not preceded by the var … Read more Why Are Arguments In Javascript Not Preceded By The Var Keyword?

Here is my code for adding a row: grid.onAddNewRow.subscribe(function (e, args) { var item = ar… Read more Slickgrid Cannot Delete Added Rows, But Only Existing Ones. What Am I Doing Wrong?

Possible Duplicate: Logging Clientside JavaScript Errors on Server How can I log client side java… Read more Log Client Side Errors To The Server

How can I protect my implemented JS methods from user? So that no one could copy these methods. Nor… Read more How To Protect/hide Javascript Method Or Js File From User To View

I am trying to dynamically build an object for every iteration of a for loop using the i as part of… Read more Build Objects In For Loop With Javascript

I am trying to create a merged pie/bubble chart. -- looking for a starting bubble chart base - mayb… Read more D3 - Dougnut Bubble Pie Chart

How do I pass a composite JSON structure via AJAX call from JS and on the server side, read it as a… Read more Django: Reading Array Of Json Objects From Querydict

I have this code that shows the current location as being specified in the 'LatLng' coordin… Read more Google Map Set Location?

Im trying to install CKEditor in my codeigniter based website and I have followed this tutorial: CK… Read more Ckeditor Typeerror: C[a] Is Undefined In Codeigniter

Using Chrome, I setup a XMLHttpRequest: const xhr = new XMLHttpRequest(); xhr.open(method, url, tru… Read more Handle Xmlhttprequest Response With Large Data

I have managed to geocode upto 10 address and add a marker to the map but I need to access the geoc… Read more Accessing Array From Outside Of Geocode Loop

Function dirList() should return array of folders inside definded directory. I can't understand… Read more Q Promises - Node.js Function For Every Element In The Array

output show1: Uncaught SyntaxError: Identifier 'x' has already been decalred; show2: 2 2 sh… Read more If Re-declaration With Var Will Have Effect On Existed Variable

I have a simple tree structure of information in my D3 code. The D3 script is calling json from th… Read more How To Return An Json Object And Catch In In Ajax Call In Html

I have a JSON array like this : var data = [ {title: 'HH02'}, {title: 'HH03… Read more How To Get Repeated Objects In Json Array In Javascript

For this working example (see Multiseries line chart with mouseover tooltip), I would need to displ… Read more D3 Multi Line With Mouse Over Cursor For Both Y And X Value

I am trying to override the pointer-events property for a containing div. It works in everything so… Read more Ie 11 Pointer Events Override

I have the server.js file on server side and the index.html on client side. I need to call a functi… Read more Node.js Executing Server Side Function From Client Side

I'm learning js and canvas.I'd like to populate a map with small tiles (eg. 20px by 20px) S… Read more Js / Canvas Populate Map

I have d3 elements in my html page consisting of 'g' elements which contain the class bubbl… Read more How To Remove All The Click Handlers In Javascript

I've been spending hours for nothing. I've had so many sources, they are all kinda the same… Read more Sequelize Model Is Not Associated With Model

Here is a js object that represents the file system in the command line os project I'm working … Read more How To Make An Object Into Text In Js

If I have an object, with properties like name, phone_number, etc...how can I access those in Javas… Read more Accessing Property Of Object With Variable