I am trying to implement the equivalent of .join() using .reduce() to answer a quiz on executeprogram.com. My code passes the tests, but it seems ugly. The specific issue that I have solved in an ugly way is this: The constructed join() function takes an array and a separator as arguments, but the separator s…
Tag: javascript
Parse time simply within Vue method pushing to Firebase DB
I am creating a message board using TipTap in a Vue.js project with a Firebase DB. I would prefer not to have to use moment.js or another library as it seems superfluous. This is the code for my simple method parse which I feel like is correct. Pretty vanilla JS if you ask me. I first get a Vue warning
How do I repair the functionality of my menu?
I have been coding my website over the past month in html (please don’t judge). I do not know how to code with php and databases yet. so the problem I have is… I tested every link and function throughout the entire process on my laptop using firefox to live preview my files and it was all working …
how to make an iterative array from two array
I have a cmyk array which is : and the other one is the number array which is: I want to have an array which has iterative cmyk respect to arrGeo numbers which means: and this is my code to make it : Answer You could map with another loop for the wanted count.
ReactJS – TypeError: Cannot read property ‘name’ of undefined but it is
I have a map function that is supposed to take the data from an list I’ve created and show it to the user but it give me a typerror whenever I try to do that, here’s my map function: And here’s the piece of code where I attach the items to the array: I get the following error: “TypeErr…
Are there any benefits to defining functions within React components?
I brought the code below for easy understanding. Note the location of the a function. There are declarative differences depending on where the a function is in React. Both are code that works correctly. Are there any benefits of defining them within React components? This is a shortened code that makes it eas…
Strange JavaScript warning in VS IDE
I’m getting an odd code syntax warning in Visual Studio, for a bit of JavaScript: The warning is on the opening curly brace: TS1005 (JS) ‘;’ expected. I tried adding a semicolon after the closing curly brace, but that didn’t make a difference: I’ve also determined that when this …
Multiple file uploads in nodejs using express-fileupload?
Currently I am able to post this to mongodb. It works fine. PROBLEM Instead of one attachment, I should be able to post many attachments independent of each other, there will be N different buttons available for the N uploads. I tried moving const upload = await Form.create(…) outside the file.mv(……
Disabling single button
I am having a problem of disabling single button When I click to order for $10 it disables all buttons, and I only want the one which I have clicked to be disabled Answer Use $(this) which is the actual clicked item accessed by the selector I would also delegate so you could add more buttons later
ReactJs: Generate Random number to display in Material UI progress bar
I am trying to generate random number for test functionality to display in my Material UI Progress bar . This piece of JS code is working in JS fiddle. But I want to show this random number with my reactJs. Any help/suggestion how can I achieve this. //Testcode Answer Accessing dom elements directly is not a …