I have an old website with JQuery 1.7 which works correctly till two days ago. Suddenly some of my buttons do not work anymore and, after clicking on them, I get this warning in the console: Form submission canceled because the form is not connected The code behind the click is something like this: It seems t…
Author: admin@master
update array of object without mutation
I’m following a react tutorial but I’m lost. I don’t understand starting line 9. so I tried to make a little miarature https://jsbin.com/sifihocija/2/edit?js,console but failed to produce the result that the author did, what’s wrong? Answer Issue is in this line: const index = list.fin…
Vue.js with Rails not working
I am trying to send an AJAX call to Rails Controller to fetch some data and use Vue.js to output it. But it doesn’t seem to be sending any kind of request to the Controller. What am I doing wrong here? Vue.js does work without AJAX call app/assets/javascript/calculator.js app/controllers/calculator_cont…
Using a regular JavaScript library inside a React component
I’m curious what’s the best way to use a regular JavaScript library (not written as a React component) inside a React environment. For example, let’s say there’s a JavaScript library that embeds a simple widget to my webpage. The instructions are as follows: Include the loading tag in …
Argument of type ‘Element’ is not assignable to parameter of type ‘ReactElement
This code: …produces this compilation error when compiling with TypeScript: error TS2345: Argument of type ‘Element’ is not assignable to parameter of type ‘ReactElement’. Type ‘null’ is not assignable to type ‘ReactElement This only happens when the strictNullC…
React: How to navigate through list by arrow keys
I have build a simple component with a single text input and below of that a list (using semantic ui). Now I would like to use the arrow keys to navigate through the list. First of all I have to select the first element. But how do I access a specific list element? Second I would get the information of
Adding minutes to datetime in momentjs
I need to add the variable secondsToMinutes to the startdate. secondsToMinutes is “3:20” startDate = “2:00 PM” endDate should equal “2:03:20 PM”. I’ve tried a number of ways and get errors each and every time. Date shows up as invalid date. Answer moment().format(R…
How to bubble events on a component subcomponent chain with Vue js 2?
I have my vue application using: component-parent component that is made of component-child inside component-parent I have buttons, when someone click a button I want to emit an event in order to be handled by vue and passed to another component What I did so far: HTML: It reaches my console.log(pty); line bu…
How to move form from center to right
I am working on this login/signup form on CodeIgniter. Got this login/signup code from the internet, but by default, it is in the center. So how do I move this form to the right side of the page? enter image description here Login.html Style.css index.js Answer add float: right to your content. In your css ch…
How to minify/uglify document and window properties and methods
I’m looking for a way to minify a code like this: To something like this (minus spaces and new lines): using an automatic tool like UglifyJS or similar. From the documentation it doesn’t seem to be an option to do that. EDIT: It’s quite common to see code like this: This is done for performa…