I am having a issue with HTML and jQuery programming. I am making a bulletin board with HTML and jQuery, with 2 textboxes and a button. And, I also coded with jQuery to send the data of the two textboxes to localhost:8000, which is a node.js server to log the data to the console. When I click the button, the
Tag: javascript
Javascript sort array of objects using array of priority
I have this array of objects: I want to sort these array of objects using a priority array of a specific key, say [“live”, “upcoming”, “completed”] for status, meaning all live events come first, followed by upcoming followed by completed. Answers all over the internet seem…
Performances of ‘lineTo’ method when going beyond canvas dimensions
Using a canvas context, assuming I call beginPath then twice lineTo with x=-999, y=-999 and x=50, y=50 then finally stroke, it will draw a line from the top-left corner to the (50,50) point. During the process did the top-left outside part of the line was draw from the outside or did it was draw from the visi…
How to remove falsy values from array of objects
I have an array of objects like so, I want to remove the last object from the array since it has falsy values, I tried to achieve this by writing a simple function like so That didn’t fix the issue, I also tried to use but that just returned the keys in the object, how can I achieve this, please?
How to return object from MongoDb database in findOne method
sorry if it’s easy mistake, I’ve not so much experience in JS, I’ve tried a lot of ways and I can’t resolve this problem. I can find and print my object from database, but I can’t return it to my main method. My main method (it’s in another file than methods to database): a…
document.querySelector() is not applying style
Could someone point my mistake here ? I’m trying to modify the class the property but am actually getting TypeError: Cannot read property ‘style’ of null in my Angular.js 1.x application. But when try in fiddle, I couldn’t see the error but also style is not applied. Thanks every one A…
javascript: return every possible pairs in array
the title explains it all somehow I’d like to use the method “Combination” that math has, this is the Wikipedia page to be clear: https://en.wikipedia.org/wiki/Combination I have already found the solution with two loops, I want to do it in one loop example: Answer You can use Array.flatMap(…
How to paginate tables without libraries in React Next.js?
I’m learning to create data tables for a ReactJS / NextJS application without libraries. I’m having a hard time paginating the table, can you please provide a code sample to handle this. This is the table code I used: I really appreciate any answer. Answer Use Array#slice with an incremented page …
Next seo test with react testing library
I am trying to test my SEO component which looks like this: and my test is like so: however the test is failing: (it looks like the head element is empty) Answer I was having the same issue, but I found this answer on GitHub. So basically you need to mock next/head, pass document.head to the container propert…
Webpack successfully builds, but JavaScript doesn’t execute runtime
I have migrated Webpack v4 to v5, made changes relative to documentation and deprecation messages from CLI, and got successful build, though during the application testing I noticed that JavaScript doesn’t run and there are no errors. I am getting plain html rendered by SSR. Have no clue why it doesn…