Tag: foreach

Inserting text content using same class multiple times

I’m currently trying to insert text content that change depending of image validation using a single class for multiple divs. Any help is appreciate! HTML Right now using the next Javascript it’s inserting the text content but it only does it once per “.spanner” class, not in the rest.…

How to use the result of an iteration to re-iterate?

arrays foreach javascript

I need to create a new array from another with the condition: for example from an array I need to make an array [‘1′,’2′,’148′,’151’] which means the path from “parentId”‘s to “id”:152 – (argument for this function). I think m…

How to get a property value from an array of objects in JavaScript

arrays for-loop foreach javascript object

I want to make an array with country names from a JSON file which contains an array of objects. These objects have a property name with the name of the country, which is what I need. This is my JavaScript code which returns a list of undefined instead of country names: In the other hand, if I use forEach, I

Fill array with prompt in JavaScript and use push method

arrays foreach javascript

I am learning arrays in JavaScript and I am using the foreach with the push method. The following code is working as its supposed to: But I want to replicate this with a prompt, instead of hard coding the values in the array. And end the prompt with a 0. The code I attempted is the following, but the variable…

How to start item index with 1

foreach javascript node.js reactjs

I’m iterating through array “fruits”. I want its index to start with 1. but the output starts at 0. Here is my code here is the output. how do i make it to start with 1 ? Answer Manually add 1 to the index:

get data from all documents in an collection firebase firestore

firebase foreach google-cloud-firestore javascript react-native

i need to get the data of all the documents of a collection in the firestore. but in my forEach I am getting only the first document and I have two. he prints the console twice but in my setPoints state he puts only the first what I am doing wrong?? Answer I don’t immediately see what’s going wron…

How can I send a Discord Direct Message to all users on a server on API v12?

arrays discord.js foreach javascript node.js

I’m trying to update my discord bot from API v11 to API v12, and I’m having problems to send a direct message to all server users. It is not returning any error and I’m using the latest version from Discord API This is the function: Could someone help me? Answer First of all, depending on th…

Need to display some data from JSON for user if they are checked

foreach javascript json nested

The JSON is a nested one. at first it will display some services for the user with check-boxes, then user can check them if he is interested. When he clicks the button it should to display the service info of which user wanted. I really appreciate if anyone can help, I am new to json. I have one HTML and

Covert ForLoop to ForEach in Javascript

for-loop foreach javascript

I was practicing in Hackerrank JavaScript problems. I found one test which is called Compare the triplets. This is the problem: I found the solution like this: I wanted to convert the ForLoop into ForEach method. But I could not find the way to do that. Answer

How do I get the function I pass through forEach to reference variables in other scopes?

foreach javascript

I don’t know why my findDroids function cannot reference the result variable within my droids function. When I run this code, I get “result is not defined”. Any tips/guidance is greatly appreciated. I’m new to Javascript, so please go easy on me 🙂 Answer Because in JS let variables are…