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…
Is it possible to use a python script in Vue.js?
I observe that I cannot instantiate a child process in Vue.js. Is there any way to execute a python script in Vue.js (2.x) ? Answer Vue is strictly a client-side framework, except when being used from Nuxt.js. If you’re not using Nuxt, you would need a server of some sort (whether Python or Node or some…
i try to delete a index from an array javascript, but its not working
here is my code I want to remove indexs from subjectData which is exist in eachStudent.subjectName and when i console el.name and v I found that one el is similar but always return -1 Plz help Answer It’s so much easier to do this with a one liner using filter: Here’s a working stackblitz: https:/…
How to match multiple words in multiple lines
I have a multiline text, e.g. I need to see if two words present in whole text (AND operator). I tried something like: Answer You can try this regex: [sS] matches literally everything, encluding line wraps b is the word bound, so word1 count but sword1 does not. And since you treat all the lines as a whole, y…
JavaScript create two dimensional array
I’m new to JavaScript, I’m trying to solve leetcode question 37. I need to a create a blank two dimensional array, I initially used the method in the comments; however, it doesn’t work correctly, it will change all the value. Then, I used the for loop method to create array and currently it …
Browser Extension’s creating dynamic buttons with dynamic links
I’m trying to create a browser extension popup (in JS) that creates a number of buttons with links that open up different webpages. The function takes a number of parameters, the main one being b_link which is an array of URL’s to the website. For some reason, only the last URL in array is applied…
Will React rerender if I use setState but the state value stay the same?
Say I have a React component with state {random: 1} currently. If I call does it trigger re-rendering? If it does, is there any way I can prevent the re-rendering when calling setState but the state does not change like this? Answer Yes, it will re-render: You can add a shouldComponentUpdate method to tell Re…
My app doesn’t close on button, electron.js
I have this electron.js app and I would like the application to close when I click on the text with class closer. Here is my code: HTML main.js initialization electron closer.js My problem is that clicking the button, doesn’t work. What should I do? Answer I think you can do it with a loop like this.