Variable initialization in Javascript
There is something that I couldn't understand. I have the following code, which its purpose is to get the total of the two arrays. let r1; let r2; let total; function totalSum(arr_1, arr_2) { for (let i = 0; i…
Suddenly getting error of Uncaught TypeError: Cannot read properties of undefined (reading '0') while the same code worked nice before – Reactjs
I've made a spring API and called that for Carousel effect in Hero.js file. It worked completely fine till last night. But today while i've restarted my project[it's showing error Uncaught TypeError: Cannot read properties of undefined (reading '0') I…
onclick event returns undefined function – Javascript
I am building a demo movie app so I decided to assign onclick events with a function that gets me some movie related data. The problem arises when I click on the target links I want to work on, giving…
JavaScript object reference giving undefined value
I am very new to javascript and I was making a rock, paper, scissor game, but the below lines of code is giving me undefined value can someone explain me in simple words why console log is giving me undefined…
Node JS await call returns undefined – Javascript
The problem is that when I make a POST call to /login, the const user gets assigned undefined even though getUser() always returns the same value. The call console.log(getUser()); at the end of the file works fine. I simplified and…
Check if img src tag is empty or null or undefinded – Html
I'm working with JSON data and process that data to insert it into the proper html-tags. Some times the JSON data doesn't contain information or isn't available at all. In the given example the src is empty or the kicker…
$message is undefined on laravel 8
I'm learning Laravel, and I've been trying to pass data between a controller and a view, but I'm still getting the same error on the page. Does anyone know how to fix this? Even with this small code, it doesn't…
Undefined array key but with dd() works – Laravel
I've done a query at Laravel and to check result content, I've used dd, but, for some reason, when I remove the dd(), it throws an exception sayint "Undefined array key 0". However, with dd DO find the key. Code…
Mongodb – "message":"Cannot read properties of undefined (reading 'affiliateStats')"
when i try to run this code it give me the error on my console.log "message":"Cannot read properties of undefined (reading 'affiliateStats')" why does it happen?how can i make it work? im new in ReactJs Here's my code: ` import…
Undefined method getDoctrine – PHP
I am a beginner on Symfony 6 and I am blocked because I have an error message: "Undefined method getDoctrine" with Intelephense Here is my code: #[Route('/recettes', name: 'app_recettes')] public function index(int $id): Response { $em = $this->getDoctrine()->getManager(); $recette =…