javascript blogs

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 have defined some characters which are legal to use. var reg= /[-!*() ~{}&… Read more Check Legal Characters By Regular Expression But With Unexpected Result

I'm working on a program that needs to save user data in a file as a JSON format. It is doing f… Read more Json.parse Not Working In Phonegap

I am looking for javascript code which will open new tabs(windows) automatically after specific int… Read more Delay After Opening A New Tab Using Window.open();?

I have a element that should contain whatever is written in the box. The does contain everything … Read more Html Element Is Not Updating Depending On Input Value

I have made a solution for my website which includes using ajax to present the general information … Read more Back Button / Backspace Does Not Work With Window.history.pushstate

I have this error from TS: It's pretty clear why the error occurs: function outer(){ if (t… Read more Why Ts Complains With Function Declarations Inside Function Body

I'm new to this site - So I apologise if I've done anything wrong. Basically, I currently h… Read more Form With Paypal Button + Email The Entries

Following this Stackoverflow question, I am trying to pass options to ES6 imports? This worked fine… Read more Pass Options To Es6 Module Imports Not Working

I have this script that is changing all the letters of a content when you hover them. Actually it c… Read more Changing The Letters Of A Word Reformat The Whole Html

I need to load an external webpage into a div. I don't want to use an iFrame. And I want this d… Read more How Do I Load A Webpage Inside A Div Using Javascript Without Iframe And Jquery?

I am trying to get the dropdowns in the code below working like the checkboxes. The checkboxes when… Read more How To Calculate Totals In Jquery With Dropdowns

I have an obj like below let obj = {staff_changes: []}; Here are some test cases: test case --&g… Read more How To Push Array To Json Object In Angular

My question is how to do video annotations like youtube, but in the file html with my own video, us… Read more How To Do Video Annotations Using Javascript?

I have implemented basic template parser for javascript. it simply replaces variables within templa… Read more Javascript Template Parsing In Mobile Devices

I have a JSON object allDataJson which have around 500 objects and looks like this: [{'Research… Read more Counting Certain Json Elements

Is there some way I can define String[int] to avoid using String.CharAt(int)? Solution 1: No, ther… Read more In Javascript, Can I Override The Brackets To Access Characters In A String?

on react docs forms section there is the following example using class components: class Reservatio… Read more React Hooks: Handle Multiple Inputs

Say I have the following code: $('#someid').click(function(event) { myFunction(event); }); … Read more Manually Creating A Javascript Event Object

This is what I would like to become: This is my javascript: var retrievedObject = localStorage.ge… Read more Parse Data And Order Alphabetically Under Letter

Possible Duplicate: Best way to transfer an array between PHP and Javascript How do I put the val… Read more Php Variable Inside A Js File

I am trying to read from thankyou.php orders and populate order_id, sku, price, quantity to a javas… Read more Woocommerce Get Orders On Thank You Page And Pass Data Javascript Snippet

I want to set selected value from an HTML dropdown from a Angular2 component. I'm failing to se… Read more How To Set Html Select Value With Angular 2

I recently came across the following line of code: var type = (typeof x).toLowerCase(); Note that … Read more Does The Javascript Typeof Operator Ever Return An Upper Case String?

This is my first time to use require.js with backbone, and I'm struggling to find the problem w… Read more Cannot Read Property 'view' Of Undefined

For the following THREDDS OPeNDAP server: http://data.nodc.noaa.gov/thredds/catalog/ghrsst/L2P/MODI… Read more Using Javascript To Make Parallel Server Requests Thredds Opendap

Everything I find seems to involve injecting jQuery, but I know jQuery already exists on the page (… Read more Use Existing Jquery In Chrome Extension Content Script?

I've got my fiddle here, but I can't understand why it's not calling my function on the… Read more Mouse Events On Jsfiddle Not Working?

I apologize if this is unclear or anything like that. I'm very very new to web programming of a… Read more Execute Python Script -- Ajax And Flask

I would like to swap classes in two links using jQuery. I got a HTML code like: AAA Solution 1: To… Read more Swap Css Class

I've been playing with json objects & using ReactJS. One of the json object represented by … Read more Convert Nested Json Object In Reactjs?

I'm trying to print a generated HTML document to PDF. The document itself can hold multiple pag… Read more Print: How To Stick Footer On Every Page To The Bottom?

I want to be able to manipulate the html of a given url. Something like html scraping. I know this … Read more Website Scraping Using Jquery And Ajax

I'm currently struggling with react inputs and debounce from lodash. Most of the time when I ha… Read more How To Debounce A Controlled Input?

I followed the React-Bootstrap documentation, especially this piece of code to make my navbar ->… Read more Why Stays React Bootstrap Navbar Collapsed?

I'm wondering if there is any sort of guarantee on the order of POST variables I will see on th… Read more What Is The Expected Order Of An Array Submitted In An Html Form?

I want to access my device camera using javascript . But this code only works in firefox and that t… Read more Accessing Device Camera Using Javascript

I'm implementing a class-like structure in jQuery, but I'm having some trouble when I try t… Read more How Can I Maintain Control Of The This Keyword When Extending Prototypes In Jquery?