Html – How to Show error if value of an array is empty
Array = { 0 : { NAME: 'A' , PET :'DOG' , AGE : 'NINE' }, 1 : { NAME: 'B' , PET :'CAT' , AGE : 'TEN' }, 2 : { NAME: 'C' , PET :'TURTLE' , AGE :…
How to convert two 1d array to one 2d array to apply Object.fromEntries in Javascript
I had two array: const keys = [a, b, c] const values = [[], [], []] I want to convert it to a 2d array: const entries = [[a, []], [b, []], [c, []]] How can I do it? P.S.…
Javascript – I have an array with multiple objects in it and I am trying to run a check on an array inside those objects to see if all keys are equal
[{ array: [{ key: 1 }] }, { array: [{ key: 1 }, { key: 3 }, { key: 3 }] }, { array: [{ key: 1 }, { key: 2 }] }] Like you can see this is an…
Javascript – Why won't this conditional display both outputs?
I'm learning about arrays and was given this assignment: "Code an array that holds the name of your favorite bands or artists. You can name the array artists. Using the prompt() command, ask the user to name their favorite band.…
Javascript – Insert values in google sheet cells using iteration via loop
I have a array of strings. let's say My problem statement is Iterate over each value of this array and call api call and write response of each data in google sheet simultaneously. let input_data=["value1","value2",...... , "value30"] var mySheet =…
Javascript – I need to find the total number of occurrences of a particular item in JSON Response using postman tool
[ { "branchCode": "111", "referenceNumber": "2222", "comments": "Write Off", "transactionDate": "2022-02-23T00:00:00", "amount": 0, "accountCode": "MMMM", "accountName": "Metal MMMM", "allocations": [ { "branchCode": "111", "referenceNumber": "3333", "allocationDate": "2022-02-23T09:23:57", "ledgerTypeDescription": "Client", "accountCode": "MMMM", "accountName": "Metal MMMM", "amount": -0.02 } ] }, {…
Javascript – Return statement inside if statement ignores variable it should return
I have a little calculator app. The return statement is inside of an if statement checking for a variable to be equal to "null". If the variable is equal to "null", it should return the input the function is called…
How to make a custom validation for a form using javascript?
so i need to make validation for a form. the form need to have the value of 1 - 6 and there cannot be a duplicate. so i make a temporary variable to record all the data kind of like…
Javascript – How do I get this array to output the average, sum, and product?
I'm working through a fundamentals course on JavaScript. I was given this assignment on arrays: "Using a loop, have the user enter a set of integers using prompt(). Add each entry to an array called myIntegers. Once the user is…
Javascript – Confused how to work with .map or .reduce or foreach
I am new to JavaScript. I am little confused even after reading multiple answers and Mozilla.org docs... My issue is that if there's a simple array I am able to use .map,.filter easily but if array has objects then it…