I have to create a function which takes an array as argument, with a forEach loop which console.log each element and each index for every iteration inside the function. Also inside the function declare a variable called count, and increment it by one for each iteration then return count. I wrote this function: But I get the following error: How
Tag: loops
React map through json object
I am having trouble finding a way to iterate through this nested JSON data. I would like to display elements into select option list. I store my data in a state after a request. I already tried: Last one gives my TypeError: Cannot read property ‘map’ of undefined. If i try to set my state to setFilterData(res.data.regions) then i can
Add single unique class on button at a time through foor loop
I am trying to add each unique class (given in array) on each button in the accordion.I have written the jquery code but there is some issue with the code.Currently it is adding all of those array classes on the buttons.I just want it to add only a single class at a time.Please highlight the issue in the code. Thanks
Create a loop to compile multiple records into a new variable
At the moment I am fetching metadata attached to individual record numbers. The process I am using works, but its somewhat cumbersome, especially for larger batches of records: I am trying to improve this process by creating a loop or sorts to insert each record number to get the same result as above in allData. However, I am not getting
Increment array up to max items
I’ve written this code. It rotates two divs like a card flip using css transform every 1000ms and displays new text in the div, which is drawn from an array. It runs infinitely. But once the array reaches its end I get an ‘undefined’ value because the i++ is incrementing on the final array item. I have been going crazy
Only getting two of three result in loop to display array elements
I can’t seem to figure out why I keep getting 1st and 3rd row. I am skipping 2nd for some reason. Here’s my code I am trying to write a JS code to display the title of three books with the authors’ names. Is there anything I’m missing? Answer I believe the issue is that you are globally defining i,
Loop in NuxtJS (Vue) outputs wrong data
I have the following data: my loop does the following: and outputs only: but (the loop above) should output all data for both languages, right? Also, how can i choose language (statically or dynamically)? Answer You should make two loops and render the selected language conditionally using v-if :
JavaScript card game: set the player who deals the cards in each hand
I am working on a card game and I need to set the player who deals each hand. I have two arrays, one stores the hands and the other stores the players. My goal is to assign a dealer to each hand in a consecutive way until reaching the max number of hands. For example: I tried different loops, but
Reading values from dictionary in Javascript
I am trying to read tags from a selected collection of bibliographic data in ZOTERO with Javascript. For those who aren’t familiar with ZOTERO: it has an in-built “run JS” panel to work directly with items selected / marked in the standalone version. This is the script I am using to read data from a selected folder and access the
How can I log the index of each array item?
I’m a beginner and struggling with this exercise. Can anyone tell me why the console is logging the index of both characters as 1. I want it to log the character ‘a’ every time it appears in the word. So for example, if we ran the function with the word ‘Saturday’ and ‘a’ as below, it should log an array