javascript blogs

Using Fabric.js, I'm having trouble truly rotating a triangle around its center point, or at le… Read more Truly Rotate Center Of Equilateral Triangle In Fabric.js

I'm trying to profile the performance of a web site that I'm fairly confident is being slow… Read more Javascript Being Loaded Asynchronously In Firefox 3 (according To Firebug)?

goog.string is not able to be used when soyutils.js is included in the same HTML file. because in s… Read more Goog.string Is Overridden When I Use Soyutils.js

I'm playing with Promise Extensions for JavaScript (prex) and I want to extend the standard Pro… Read more Constructor Of A Custom Promise Class Is Called Twice (extending Standard Promise)

I'm new to JavaScript and Jquery. I googled Jquery pop-up examples online. I want the message t… Read more Jquery Popup Box

What could be the best way the detecting the custom protocol (like foo://) in Safari and chrome bro… Read more Approaches Of Detection Of Custom Protocol In Chrome And Safari Browsers

I try to post/edit a document to a facebook group with out success. Like described here: Example he… Read more Post Or Update A Document To A Facebook Group Via Graph Api

Short Explanation I want to do something whenever disabled textbox value is changed Detailed Explan… Read more Disabled Textbox Change Event

I am in need use 23 digit number in a url. I am generating number using Math.random() but I get the… Read more Convert Exponential Number To A Whole Number In Javascript

A = { 1:1, 2:2, 3:3, 4:4, 5:5 }; for (var i in A) { console.log(i); if (A[i] == 4) delete A… Read more Is It Safe To Modify An Object Inside For (..in..) Loop?

I'm trying to modify a vuex store, but using v-model on a key deep inside the object. Obviously… Read more How To Modify Deep Vuex Data With V-model

When the bottom of my page (a.k.a. #main) comes into view jQuery toggles a class on my sidebar to m… Read more Scrolling A Div From Anywhere

I'm trying to make a linear regression plane visualization tool for a math project. Currently I… Read more Graphing 2d Plane In 3d Space Using Equation And/or Vectors

I have multiple buttons that when they are clicked an image is loaded and the image is supposed to … Read more Can't Get Sessionstorage To Work Correctly

For instance, I know that it is possible to do something in Javascript that allows users to update … Read more Is It Possible To Update A Url Link Based On User Text Input?

I have few generated text fields. I want to show datepicker on text field click. Solution 1: just … Read more Javascript Action On Click

Ok, I know this has been asked many times, but my situation is a bit different: I have an image map… Read more -webkit-tap-highlight-color Not Applied To Area Tag

is it possible to translate special characters like ®, ü etc with javascript String replace functio… Read more Javascript Replacing Special Characters

I have a multi-level drop down menu (done using HTML + CSS) that I want to put on a number of diffe… Read more How Can I Embed An Existing Multi-level Drop Down Menu Without Inserting The Whole Code?

Say I'm listening to a widget: const ref = firebase.database().ref(`widgets/${widgetId}`); ref.… Read more Why Does Firebase "on" "value" Not Run The Listener Function When The Reference Doesn't Exist, But "once" "value" Does?