JavaScript Passion

I have spend all day looking for an easy way to make my animation start after I have scrolled to a … Read more Start Animation When Scrolled To

I am trying to filter an Array that contains nested array of Objects. I would like for the v-for to… Read more Filter Array By Nested Value That Meets Certain Condition In Vue

I have a button within a div which is hidden by default as it is used as a modal popup by jQuery UI… Read more An Asp.net Button Click Event Is Not Firing

I am connecting to a json url to pull back properties onto the Leaflet map. There's about 2,00… Read more How To Load Only Visible Markers In Leaflet?

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?

I have some code for storing a random value from an array into a variable like this: Quest=['va… Read more Random Value Generation Javascript

I'm trying to scrape this page with HtmlUnit. In the Xml, it says 'You are currently browsi… Read more Web Scraping Javascript With Htmlunit - "you Are Currently Browsing With Javascript Turned Off"

I have several services which uses a webservice and caches a lot of the results.By caching i mean s… Read more Best Practices For Clearing Data In Services On Logout In Angularjs

Crockford introduces a pattern in the deentityify method to create a module. He claims: The modul… Read more Javascript Module Pattern Introduced In Tgp Deentityify Method - Why Is This Pattern Necessary?

When I reading this answer, find var g = f.call.bind(f);. I can't understand this with my first… Read more Chaining 'bind' And 'call' In Javascript?

I am an image element. I let user upload an image. After upload, I process the image. I want to loa… Read more Why Am I Not Getting Image Width And Height After Loading?

I'm using https://reactnavigation.org/ for navigation in a React Native app with a tab navigato… Read more How To Close A React Navigation Modal With Multiple Screens In It

I've checked in How do I verify jQuery AJAX events with Jasmine? and How to test an Angular con… Read more How Do I Test A Function That Calls An Ajax Function Without Firing It Using Jasmine?

I have to display a number in currency format using the country code with comma and period separato… Read more How To Get Space Between Currency Code And Amount Using Localestring In Javascript?

I'm currently working with the latest Ionic and I'm having a hard time trying to get a CLI … Read more Can't Get Ionic V4 Cli Generated Component To Work

Can a jsonp request from a user on an http page (made by the browser) to an https server be conside… Read more Request To A Json Resource From An Http Page To An Https Server

I've been initializing my reusable classes like this (constructor is usually a copy-constructor… Read more Javascript Json.stringify Doesn't Handle Prototype Correctly?

I want to change the current URL when I click on a link. At the moment, I'm using the following… Read more Change Current Url On Click With Jquery

I have a script on my page that is dealing with session timeouts, redirecting the user on the clien… Read more Javascript Settimeout And Redirect - Ie Freezes

I want to load in a user's home timeline after authenticating through 'sign it with twitter… Read more How To Send Twitter Oauth Access Tokens With Ajax Request?

I have a div with paragraphs inside: ... ... I want dynamically to apply a certain style to parag… Read more Apply Css Style To Particular Elements Dynamically

I'm forced to use the Enter key to submit a form in automated testing (the submit button can… Read more Selenium Webdriver On Safari: Keys.enter Not Working

I know that this might be very simple question and I tried to find solutions in the web but I can&#… Read more Get Value From Select List In Js

Accessing thhe the length of items within a ng-repeat seems simple. {{array.length}} But when you … Read more Angular What Is The Best Way To Access Total Objects Within Ng-repeat Directive

I have a problem where browser does not open the popup on an empty required input field. Tried se… Read more Required Field Not Working With Bootstrap Tokenfield

I am using the script below to generate input fields as needed. However, upon refresh or when click… Read more Retain Dynamically Generated Input Fields Via Jquery After Refresh

I have set up a autoscroll page using the css-tricks code for smooth scrolling: http://css-tricks.c… Read more Jquery Tabs Added To Code Makes Auto Scroll (vertical) Scroll Past Anchors

My background script should open an URL and wait for it to load completely, so the content script&#… Read more How To Wait For Content Script Listener To Load After Background Script Opens Url?

I have a function foo which makes an asynchronous request. How can I return the response/result fro… Read more How To Return The Response From An Asynchronous Call

I have this code: client (angular2) hosted on this url: http://localhost:8080/Me/html/pages/gasoli… Read more How To Do In Angular2: $httpprovider.defaults.headers.common = {}

I have the following javascript code: var html = ' < html > < body > < h2 > … Read more How To Render Html In String With Javascript?

I have a table which has four columns namely Code, Name, Quantity and Price. Out of these, I want t… Read more Show/hide Elements Dynamically Using Knockout

I need to display a loading effect before all assets (image or video) are loaded in a frame. Anyone… Read more How Can I Add A Loading Effect Before All Assets Are Loaded?

Is there any difference between document.onclick and window.onclick event? Thanks. Solution 1: … Read more Document.onclick Vs Window.onclick

I'm new with javascript and I have a tiny problem. I want to create a function and by pressing … Read more Flip Divs Using A Function

I'm working on a small Chrome extension that needs to run in the background. However, I underst… Read more Chrome.extension.getbackgroundpage() Function Example

Sorry about the title - I couldn't figure out a way to phrase it. Here's the scenario: I ha… Read more Scope Troubles In Javascript When Passing An Anonymous Function To A Named Function With A Local Variable

What I want is run python script just click on the button in the html page and show the python code… Read more Run Python Script By Clicking Button In Javascript

Value of window.history.length is very important in our project to detect backbutton is clicked on … Read more Window.history.length Maximum Value

I created a relatively small dynamic banner rotation script with icons at the bottom for bringing a… Read more Javascript - Bad Algorithm Firing Concurrent Loops

My code gets Json data to an array lists the data using a FlatList. It looks like a phonebook photo… Read more React-native Flatlist Performance Problems With Large List

Any idea how I can make a function be called only once using .resize, and then have it permanently … Read more How To Call Function Only Once In Resize Function?

I'm trying to add the Mathjax library to a SharePoint library so that we can use LaTex syntax t… Read more Add Mathjax Script To Pages In Office 365 Sharepoint

I'm receiving input like: F12T213B1239T2F13T341F324 and I have to group it by letter followed … Read more Splitting A String Using A Javascript Regex But Keeping The Delimiter?

I know virtually nothing about Javascript. By a monkey-see, monkey-do approach I’ve managed to suc… Read more Javascript To Fill A Formatted Text Field On A Web Site

I trying to create a function which reverts toggle switches back to off. I'm turning a light on… Read more Toggle Switch Back To Off

I'm trying to load my js files asynchronously, with the code: function load_js() { var scri… Read more Async Loading Js Scripts - Guarantee They Load In Right Order

Okay, this is following on from my previous question reguarding performing a simple ajax request th… Read more Ajax Response That Slides Open A Div

I have a search form that automatically sends POST data my web application whenever something in th… Read more Hash Tag, Query String, And Ajaxified Search Results

I knew that {} is either an object or a block of code, but today my co-worker asked me why {foo: 1}… Read more Why Does `{foo: 1}` Evaluate To `1` In The Console, And `{foo: 1, Bar: 2}` Results In An Error?

I am currently using the following scheduled Cloud Function to delete any Assignments or Duties (do… Read more How To Efficiently Delete Old Firebase Cloud Documents Using A Google Cloud Function?

I am trying to use charts from chartist.js link: https://gionkunz.github.io/chartist-js/examples.ht… Read more How To Import Chartist In React Component?

I use jquery to request data and then fill them to a table whose id is 'mresholder', it wor… Read more Jquery Html() Doesn't Work Well In Ie9

I need to build a wysiwyg editor for a project I am working on and need some guidance. Some of my … Read more Building A Wysiwyg Editor

I'm working with one page website and I want to add a counting numbers with it, so I use javasc… Read more Jquery.counto.js: On Scroll Count Numbers Not Onload

Following code changes property printed (when accessed through javaScript) by browser console and n… Read more How To Change Browser User-agent Header With Javascript?

Hello I have a javascript code that listens to a PHP code via Server-Sent Events, it is working wel… Read more How To Stop Server-sent Events

I am working on a CSV parser, where I have data in array like ['Jonas', 'Sched ', &… Read more How To Make Object Of Comma Separated Elements

I was working with twilio my case is when user make a call IVR will ask for user mood and then star… Read more How To Play And Record Voice At Same Time In Twilio

I have Javascript updating my URI as below: /index.php?page=list#page=news But I would like to mak… Read more What's The Best Way To Access A Uri Variable After A Hashtag From Php?

We are working on a Cordova mobile application. On a screen we have a list of values in a table for… Read more Issue With Scrollto And Scrolltoexact Methods Of Android Driver. Methods Do Not Scroll To Required Element Text, But Scroll To End Of Page

I have the following working JS script in one of the sites I'm working on. I'm wondering wh… Read more Variables Accessible From Within A Function Passed As Parameter To Event.observe() (prototype.js). Why?

First off, please excuse the awful code (we don't have time to fix right now). I know eval is h… Read more Undefined Behavior With V-for And Custom Components

I have javascript countdown timer from 25 -> 0. var count=25; var counter=setInterval(timer, 10… Read more Javascript Countdown Timer Repeat And Count Total That Repeat

I've tried to reproduce the method filter so far I have got: function filtre(...[T,x,y]){ let t… Read more Es6 How To Get Source Code For Filter( ) Method

OS: Windows 10 Pro x64-based PC node -v: v8.12.0 npm list puppeteer: `-- puppeteer@1.9.0 I tried t… Read more How To Set, Change Or Block Timezone(systemtime) With Puppeteer?

I'm trying to place a force layout node system on a map. SOME of the nodes have lon and lat val… Read more D3js Force Layout On A Map

When I click into a map I want the marker to get snaped to the nearest street. There is a good exma… Read more Google Maps V3 Snap To Nearest Street

I am using meteor. I build my app with meteor build. Then I try to run it with pm2 MONGO_URL=mongod… Read more Meteor App Ran With Pm2 Fatal Error: Call_and_retry_last Allocation Failed - Javascript Heap Out Of Memory

JavaScript's forEach documentation states that the .forEach syntax is: arr.forEach(callback[, t… Read more What Is The Purpose Of Thisarg In .foreach?

Im trying to simulate a Typewriter effect with javascript. Theorically it should work with my code… Read more Settimout Not Working Inside For Loop, Acting Weird?