javascript blogs

I am writing some test code for someone's application. I am new to writing tests specifically f… Read more React Testing Fake Xmlhttprequest

For reference, check out this StackBlitz Link I have css animation @keyframes class.. /* Anima… Read more Apply Css Animation To Div When Array.map Added Or Remove Div In React.js

I'm trying to make a list of items (telephones and dependents for a customer), for example, the… Read more How Do I Do A List Of Items In Jquery And Get It On Server Side?

I've found a great tutorial to detach a navigation from the page to keep it static when you scr… Read more Multiple Id In Getelementbyid

I'm attempting a choropleth map of US Counties, and am essentially using Mike Bostock's exa… Read more Choropleth Map Returning Undefined

I am relatively new to Javascript/Ajax. When the user clicks on certain urls, I wish to handle the … Read more Capturing .click For Urls

Ok, this is my domain: example.com/index.html and I want to create a .txt file into the domain. res… Read more How Can I Create A .txt File Using Jquery?

I have a function. Every time I call the function, it should return a UNIQUE (for example, if I cal… Read more Every Time On A Button Click, Generate A Unique Random Number In A Range Of 1 - 100 - Javascript

I need to have student scores which I have stored in an array map. I have set an option dropdown li… Read more Display An Alert On My Html Page By Reading An Array Map Data Within The Jscript

(This is related to the unanswered question https://stackoverflow.com/questions/26745762/delaying-p… Read more Delay Display Of Text In Qualtrics Using Javascript

i am working on a website that receives the user data whether if he is indeed going to help a patie… Read more Div Onclick Prompts Yes Or No, If Yes, Div Change To Different Color

I need to put in y-axis time format hh:mm, for example y-axis should have 16:00,32:00 and etc. tick… Read more Making Y Axis Of Highcharts In Time Format Hh:mm

I am trying to convert a DIV to single image. The div has 4 images in it. I have found the js for &… Read more Convert Html Div Having Multiple Images To Single Image Using Javascript

I'm trying to get a popover to be inserted into a specific element, since at the moment, the po… Read more Bootstrap Popover Parent?

Recently I come across with AngularJS Strict DI mode. What is the purpose & benefit of using it… Read more What Is The Benefit Of Angularjs Strict Di Mode?

i've been following a guide https://www.youtube.com/watch?v=N5kG0bI08EQ In that guide they us… Read more How To Install Discord.js To Your Node.js

I am trying to the achieve an affect like the one on this page: Slide Up/Down DIV from bottom cente… Read more Slide In A Div From Bottom Of The Page?

I am trying to set ticks for a double y-axis line graph but either the graph wont load, it it loads… Read more Double Y Axis Ticks For Google Charts

Given a 64-bit (8-byte) little-endian ArrayBuffer of bytes, how can we read 64-bit integer values i… Read more How To Read 64-bit Integer From An Arraybuffer / Dataview In Javascript

const obj = { a: 1, b: 'foo', }; for (const k of (Object.keys(obj) as (keyof typeo… Read more Maintain Object Value Types For Each Key When Reassigning Values

I'm making creating some Javascript code so that the overflowing menu links would move into a s… Read more Element Order Being Messed Up From After Moving Elements Twice

I enter text into a textarea. I wish the fontsize to be adjusted dynamically such that the text fil… Read more How To Adjust Fontsize To Fit Textarea Width And Height As Much As Possible?

I'm confused with these colors. I noticed there are 4 colors showing in the left hand column of… Read more What Do The Firebug Dom Colors Mean?

I have a service worker installed in my website, everything works fine, except when I push an updat… Read more Service Workers Not Updating

How to find out the exact distance or set an exact distance (to pixel) between two ticks on x-axis … Read more Highchart: Exact Distance Between Ticks

I use this code in Tampermonkey to prevent certain script tag from executing: https://stackoverflow… Read more Favicon Disappears After Preventing Execution Of A Specific Inline Script Tag By Tampemonkey

I'm trying do create a Navigation Bar that when the user click on one of the links, the page sc… Read more Useref() Hook On A Custom Component

class Parent extends React.Component{ constructor(props){ super(props); this.state={ … Read more Alter State Of Parent From A Child Component React Js

I want to show a tooltip on ma text input when it's not valid This is my function in js: functi… Read more How To Put A Tooltip On Input When Its Not Valid

I have written a simplistic chat application using Rails 3 and JQuery Mobile, you can have a look a… Read more Augmenting A Webapp With Native Capabilities - Bridging Phonegap's Inappbrowser With Rails Web App Application Javascript

I have a table where I want users to navigate to specific items when they click a row, but the row … Read more Ember: Prevent Link-to From Firing When An Action Within It Is Clicked

I'm working on a moderately-complex Bookmarklet that works just fine in Chrome, but I can't… Read more Firefox Bookmarklet: Exposing Functions To The Global Namespace

taking value in 1st textbox and want to display it in 2nd.. 1st 2nd Solution 1: There is no reas… Read more Not Changing Textbox Value From Ui

I'm creating a Simple CRUD Application with Javascript and I'm having a problem in Display … Read more Javascript Displaying Data From Local Storage Array Problem

I want to allow a user to drag an image from a web page into my web app and then store and use the … Read more Catch Image Dragged Into A Text Field In Javascript

In this Paper.js Sketch, selecting an area of the Mona Lisa raster makes a whiteout Rectangle of th… Read more Paper.js Subraster Added Behind Rectangle Instead Of In Front

I've been looking around for an answer to this question and have found mixed results... My ques… Read more Html Automatically Fetching Json File From Github Repo

I have this code that works on desktop browsers. How can I achieve this behaviour on mobile browser… Read more How Can I Get Div Scroll Overflow-x To Work On A Mobile Browser?

I have 6 different select boxes and a text field which I need to fetch the value from and combine i… Read more Jquery: Get Value From Multiple Fields And Show In Text Field

What's the best way to enforce require check on paper-radio-group? I saw another question and a… Read more How To Enforce Required Paper-radio-group In Polymer?