I am currently working on a webshop, and I’m trying to create a product quantity button. I have three increments and three decrement buttons with the same classes. I’m trying to make them each target their own input field. But what happens to me is that no matter which of the three buttons I click…
Tag: javascript
NuxtJS automatically adds script at the end of the body
I’m a newbie NuxtJS programmer. I just searched all over the internet but couldn’t find the answer. I’m just wondering that is it natural that NuxtJS automatically adds the script at the end of the body described as below. Everytime I change my page, it keeps adding this script, so it stacks…
Adding placeholder photo for dropdown menu select
I am trying to add a placeholder image in the paragraph tag. The users select an option and the photo is replaced by the one chosen. I have tried to add a photo as a valued on the first option but didn’t work. Any ideas please? Answer Just trigger the change and have the default on the first option:
How to declare item types of a zipped list in typescript?
I have two lists like these: and combined them using zip: Then, I want to apply a map on the zip like this, for example: The ‘item’ in the code above implicitly has an ‘any’ type, so I want to define the type like: but this doesn’t work. Does anyone know how to define the type, f…
Better way to reverse a linkedlist in javascript
I tried this: And my Node class: here head is the main LinkedList’s head, and HEAD is the head of new one. I’m using stack here. And the algorithm is in linear complexity. Instead of creating new Node everytime, I think there is some better way to implement this. Can you suggest some other ways? A…
Is there a cleaner way to calculate user session length from such an array?
I have an array of events where every event has an action (login/logout) and a timestamp. I am trying to write a function calculating the total user session length which is defined by the difference between a login and logout. And a login always comes before a logout. This works but I wonder if there is a sim…
Convert a list of objects with a range of minutes to an hourly list
I have a list with minute blocks objects, it contains the start and end hour/minute, according to this I must build a new list of blocks by hour and minutes occupied. Always in the same range below one hour, for this example only 30 minutes, and they cannot overlap. Example of minute block (30-minute block st…
How to compare a nested array of objects and only return common values
I have a nested array of objects which contains some duplicate values: I want to create a new single array from this data containing only the objects that exist in all the nested arrays: I have tried the following code: and: However these both only return an empty array. Would really appreciate any help. TIA …
JQuery Validator with custom .addMethod over Bootstrap gives problems when was-validated class is active
I’m having some troubles with Bootstrap 5 and JQuery Validator with custom class. Seems it works separately from Bootstrap. In this method for checking hex validity (optional) the .was-validated form class generates problems. Here my code It’s more complicated said than done. So go use fiddle http…
prioritize pushing element to array
I have an array with objects as elements. What I did was check if the titles value contains a certain string and it it does push that a new array and log the new array and the process works. What I want is when pushing to the new array I want to prioritize the string found first to be pushed