JavaScript Gen

Recently I ran into some interesting facts about named function expressions (NFE). I understand tha… Read more Where Is The Immutable Binding Record Of The Identifier In A Named Function Expression Stored In JavaScript?

I need to group by my elements in array so I did in that way: const cars = [{ make: 'vw… Read more How To Force Reduce To NOT Sorting Alphabetically In JavaScript

I have this problem with animating of 2-datasets Stepped graph in Google Charts. It all worked well… Read more Google Charts - Animation Of Stepped Chart

There is a very helpful article on how to validate roman numerals How do you match only valid roman… Read more How Do You Match Valid Integers And Roman Numerals With A Regular Expression?

I've been checking all over the place for an answer to this one but no luck. I want a button or… Read more Open "Save As" Dialog Box To Download Image

i have a web page with a svg which has another svg element in it. Thing is that i need to get matri… Read more SVG: GetScreenCTM() For Nested SVG Is Different In Firefox

I have a webpage on my site that displays a table, reloads the XML source data every 10 seconds (wi… Read more Possible To Add Large Amount Of DOM Nodes Without Browser Choking?

I recently started a Javascript project and I am now moving it to require.js. Everything worked fin… Read more Loading Spin.js With Require.js

Using the D3 Sankey plugin, I'm updating a Sankey diagram with new values (on changing the data… Read more D3 Sankey Diagram - Enforce Node Position

I want to do an ajax call with vanilla js. In jQuery, I have this working ajax call: $.ajax({ u… Read more Vanilla Js Vs JQuery Ajax Call

alert returns false instead of true? as type is Number for both x and y and as per documentation of… Read more Why Is New Number(8) Not Exactly Equal To 8?

I need to close the browser window using the java script. I have tried using window.close but it is… Read more Is It Possible To Close A Browser Window Using Javascript?

In a jQuery.each() loop, I always thought that this was equivalent to valueOfElement. Could someone… Read more Jquery.each() - "this" Vs ValueOfElement

Hello i have the next code: php side: In javascript: voteAjax = function(typez, actionz, idz){ … Read more What Is The Problem With This Ajax(with Prototype)?

The following script is aimed to run on facebook.com's conversations page (the page in which a … Read more Keydown Event Triggered Only Once

I have this simple script, i want to multiply Var a * Var b then Multiply this by Var C with a set… Read more Multiplying With Jquery

In my HTML I have this line: and the privsSelect2options function: Solution 1: the problem w… Read more Can't Select Item In List Created By Ui-select2

I am having a trouble with figuring out what 'this spsefic outcome' in Google PageSpeed Tes… Read more Eliminate Render-blocking JavaScript And CSS

I am trying to find a way how to open the google play store with my application when the user is pr… Read more React-Native: How To Open Google Play Store From React Native App?

What do I need to research, know and use for the following project: I want to use javascript to sho… Read more Can A Java Program Be The Mediator Between Webpage Javascript And A Database?

I tried to build a Timer Demo App. I used setInterval to auto count down the timer, but my initial … Read more How Can I SetState On Two Array Elements At Once?

Since when we declare a function we get its prototype's constructor property point to the funct… Read more Javascript: Overwriting Function's Prototype - Bad Practice?

When I have a null value in data.req, data.req.toLowerCase() is throwing an error. How can I check … Read more Null Check In The Return Statement

I need to open a new window and I want to embed a video in an iframe and show it in this window. A… Read more Is It Possible To Open A New Window And Embed Iframe In To This?

I know how to READ and WRITE a document in Firestore, But how does one update() a Value of and obje… Read more How To Update() An Array Of Maps-objects On Firestore In Angular Or Angularfirestore?