At first, I apologize for such a basic question, but I’m really new to javascript and I needed to change the color of a script’s loading percentage. The script snippet is this one: How do I change the color of Math.floor(100 * cnt / end) + “%”? Answer You can wrap that part of the text…
Tag: javascript
How can I get my datepicker javascript code to tell me when a month has a Friday the 13th?
I am a complete beginner and confused how I can fulfill this task. It’s the first task that has anything with true and false in the instructions. I can deal with the CSS and html we’ve been doing but I can’t seem to wrap my head around JavaScript. Instructions: “Use getFullMonth() to g…
Creating a function to fill out a calendar in javascript?
So I want to create a function to get the weekdays in a specified month of year, I can already do this but when I get up to the part where I actually list them on the calendar it seems to start from 0 and go to 30 and not 1 to 31 how it should be for December? Here
Add object to array in class component
I have a list of products (unordered list which I apply at the beginning and it shows on screen) and after click on one of them for example: milk, app should add it on screen to list “to buy”. But it shows on the screen after I click on another element or second time on the first one. It also
Returning result from asynchronous function using callbacks
I have to write the body of a function getABC() which essentially has to take in responses from 3 different functions, getA()(synchronous),getB(callback)(callback driven),getC() (promise based). Ultimately I have to return a promise aggregating each function’s result, like [(result of getA),(result of g…
counting member from nested array of objects using ramda
Here is how my data object looks like and I tried to implement it like I am not sure if it is a good solution or we can write it in compact way. It also shows the correct number but if I try to use it in TypeScript I am a TS error ts(2769) Answer You can use R.chain with
How to refactor an async function with Promise inside of it
Having this async function that returns a Promise: I’m not sure if it really needs to contain new Promise inside as it is already declared as async function. Is it mandatory in this case? Because when that part was removed and at the end instead of return resolve({…}) it is only return {…} i…
Wobble effect on letters
I’m trying to add a wobble effect on each letter but I can’t get it to work, I would like the letters to get a bit bigger while hovering them and making the effect run. I’m just learning javascript so I’m not really good at it, the snippet doesn’t work and I don’t know what…
Replace fetch link with html button
This code is designed to take a data from API, convert it to JSON and display it in the HTML page (with a specific design). There are two buttons on the HTML page that are for changing the page (to change the page, the URL sent to fetch needs to be changed by clicking the buttons (which is where my
How do I update dynamic array inside useEffect in Typescript?
I have an array declared as Then set the array with the values as Then I want to update this array from useEffect. I tried below code when displaying subjects array, it is not updating with “Java”. Can anyone help me to solve this? Answer You are not triggering any re-rendering of your component. …