Not sure if I am phrasing this exactly but I have an object that I want to create a variable from to then append to a div in a page. I am doing this in javascript / Jquery. The object: Then I loop it to get the data but want to create a var of html to then append but
Tag: loops
What is the best option, a loop inside a conditional or a conditional inside a loop?
Seems obvious, but let’s say we have 2 arrays and I want to push some objects inside if certain condition is true. Generally speaking, it would be better like this: or like this: I think the second option looks shorter, but maybe it’s worse in performance. Answer The best is:
JavaScript/jQuery: How to run a function after an each() loop has finished?
I have the following. What is basically happening is I’m prefilling all the dropdowns/select options. I then retrieve the data for the current record and select the appropriate value for each dropdown/select option. My question is how I can ensure that get_record_data(); is run after the loop has finished? As you can see I make POST requests within the loop
How to return an array of numbers that represent lengths of elements string?
If an array was: [‘hey’, ‘you’, ‘muddy’] The expected output should be: [3, 3, 5] This is what I have so far: Any help would be much appreciated. Answer You need to push the length of every item (using Array#push) and return the array in the end: Another solution using Array#map:
How can I control this code with “setInterval”?
I tried create a function for use that code in setInterval but when I create a function with that code it stop working. I tried almost everything. Could you guys help me about that? Answer You’ve not defined your function properly and you are calling setInterval in the function that you call in set interval. Can you try this? I
Converting nested loops into forEach();
Im trying to learn forEach() method but i cant find more advanced examples. So i thought about refactoring my Codewars code to learn from it. I dont know know to properly use forEach method in nested loops. Hope You can help me learn from this example 🙂 6 kyu – Replace With Alphabet Position https://www.codewars.com/kata/546f922b54af40e1e90001da/train/javascript Answer (Note: @Terry’s solution is
setting width, height via setAttribute for a grid of divs – Etch-a-sketch. Style resets when hovered over
I’m quite new to coding. I’m coding an Etch-a-sketch (via the Odin Project). Basically, it consists of a grid, which when hovered over, the boxes of the grid will change to a random color. (the container is supposed to keep the same dimensions) Upon loading the page, it starts with a basic grid of 16×16 boxes. The user also has
While creating item from parent to child component, going to infinite loop in React
This is my home page and getting list data then creating List component as much as need. Then going to List component and creating list item. so creating new component using map function. I tried different ways for it but I can’t figure out. It goes infinite loop whatever I did. Home.jsx in List component, creating List item component as
Tile drawing is not displaying
I’m working on this code where if you put in certain characters for the map array, the canvas will display the image corresponding to that character. I have an array for all the ground blocks, at the top. Here’s my code so far: However, nothing seems to be drawing to the screen. I believe this might be a problem with
In Django bootstrap project toast messages showing for the first card in loop element
I want to toast messages for all those cards. but it is showing for the first card only. I have attached a view of my page where I want to add a toast message to view the details of the card if a user is not logged in. I noob in Django and Javascript. this is a small part of