I have been using a DelegateModel and DelegateModelGroup to only show certain items of a List Model in my delegate. The process is essentially the same as the process described in the first answer to this question. The code for the DelegateModel is below. I am using this so that only 3 random elements from a …
Tag: javascript
How to iterate over an array multiple times without repeating summed elements
I am trying to solve this problem but I don’t know why I can’t pass all test cases. I need some help and explanation, how can I count some array (in this example: variable s) multiple times and not repeat the same elements that I already summed. Problem description: Lily has a chocolate bar that s…
How to find biggest number in array around undefined elements?
My question is pretty simple actually but I couldnt find satisfied answer lets say that I have array like above.And I wanna get the max value in array which is 20. this is what I did but returned undefined so I tried something like that below and worked but filtering all undefined elements(iterating all) and …
How do I merge two arrays of Objects with a shared ID in TypeScript?
I have two Arrays of Objects, that share an ID. How do I merge them into a single Array, where all items have been merged based on the ID? I’m using TypeScript and Angular. Answer I think you could use something like this:
how to dynamically change the href attribute with the array of id’s?
I have these elements and I want to change the id’s dynamically using the fetched id array via server which I have categories (Ex: [“category 1”, “category 2″,”category 3″,”category 4″,”category 5”, “category 6”]). I don’t kno…
Angular – Is it possible to prevent executing a (click) event by a directive?
I created the following directive and I’d like to prevent the (click) event from being executed under certain conditions (or delay the click, or ask the user for confirmation, etc). For demonstrational purposes my goal below is just prevent executing the event at all: This is my markup: In the same abov…
why does “Number” make the “else if” work here?
I have a task to play a little with if/else if. i don’t understand why, when I write my code like the example below, the “else if(age === 18)” part doesn’t work. it shows up as “undefined”. the other 2 work. But, when i add (Number(age) at all of them, it works. Why is that…
Donut chart d3.js labels
I’m new to d3.js and I’m trying to change this code. What I actually need is to have each slice’s name on it. The problem is that labels need to change for each button. For example, if you click on culture/Media the labels are – German, English, History but for medicine are – Den…
Can’t make new fetch request after aborting previous
I need to change a parameters that defines what data should come from my requests, also this application needs to refresh on a regular time interval. If the user changes the parameter in the middle of an unfinished request things start to behave strange and some unexpected behavior occurs. So my approach was …
how to add delay in javascript
I want to add red class after 6 secs.I tried like using setTimeout but not work.could you please suggest the better way ? I want to write a delay function which delay for sometime before proceeding/executing next code. Answer You can make a very simple queue of tasks to be executed based off promises. Since t…