Hello everyone I’m building a simple notes app and I can’t figure out how to implement one feature. I have a card element and delete button as a child of this element. I need to check if the card element child’s(.card-title) html value(jQuery’s .html()) is equal to the localStorage(I&#…
Tag: javascript
CORS Errors only with 400 bad request react fetch request
I’m trying to make ‘POST’ request in react but i’m getting a few problems regarding CORS. I was just following what console says and fix them in server side [which is PHP] and client side everything works fine when the status is 200 but when status 400 it shows login:1 Failed to load h…
jquery file upload check box form
I am a beginner in JS and I decided to use this library: https://blueimp.github.io/jQuery-File-Upload/ My issue is the following : I have to send (in FormData, thus additional form) the value of 2 checkboxes. The concern is that the checkboxes are false when the page loads and the client changes its value, an…
Having trouble with JsonWebToken; JsonWebToken Error: JWT must be provided
I’m building my first SPA project with Vue. I decided to go with NodeJS for the back-end, however, I’m having a headache building the login function with the JsonWebToken. I had wrote some codes to see how JWT works and when I tried to see how JWT gets verified, server gave me an error. Below is t…
How to catch and deal with “WebSocket is already in CLOSING or CLOSED state” in Node
I’ve been searching for a solution to the issue “WebSocket is already in CLOSING or CLOSED state” and found this: Meteor WebSocket is already in CLOSING or CLOSED state error WebSocket is already in CLOSING or CLOSED state. Answer #1 is for strictly related to Meteor and #2 has no answers…
React Formik : how to use custom onChange and onBlur
I’m starting out with the formik library for react, and I can’t figure out the usage of the props handleChange and handleBlur. According to the docs, handleBlur can be set as a prop on a <Formik/>, and then has to be passed manually down to the <input/>. I’ve tried that, with no …
React Navigation TabNavigator: Reset previous tab on tab change
I have the following route structure: When I visit Tab1 -> Route 1 -> Route 2 -> Tab2 and go back to Tab1, the active route is 2 instead of the initialRoute 1. I’m doing the following: but the problem is that it first shows Route 2 and then navigate to Route 1. How can I reset the previous tab/…
MobX – Why should I use `observer` when I could use `inject` when injecting data into a React component
MobX documentation suggests I should use observer on all my components. However by using inject I get more fine grained control over what data causes a re-rendering of my components. My understanding is I that with observer, a change in all accessed observables in the last render will cause a re-render, even …
How to flatten nested array of object using es6
I have this array of objects, within it I have another array of objects: How to get flat array of country like this: without using a forEach and a temp variable? When I did: I got the same structure back. Answer Latest edit All modern JS environments now support Array.prototype.flat and Array.prototype.flatMa…
Error: File to import not found or unreadable: ~bootstrap/scss/bootstrap
I followed the instructions at getbootstrap.com thinking that everything would just work. It isn’t so far : Everything seems to be fine until I try to load the page, at which point my Express.js app throws the error I have tried npm install, restarting my server, looking on Google, StackOverflow (yes, I…