Since PHP7.1, a foreach() expression can implement array destructuring as a way of unpacking row values and make individualized variable assignments for later use. When using array destructuring within the head/signature of a foreach() loop, can new elements be declared…
I have an array which consists of another array of objects with key value pairs. I want to merge and segregate these array of objects based on key which is common in every object. There can be n number of…
I have Given this JSON structure: [{"variant_name":"Size","variant_options":["S","M","L","a"]}] How would you delete an object from the array by key/value? Let's say I wish to delete the element with variant_options = S, how to get this result: [{"variant_name":"Size","variant_options":["M","L","a"]}] I tried but did't…
I am doing an online course and practising what I am learning. I just wanted to create a function, that takes an object and loops through an array element of the object using forEach. So I don't want to change…
I have an array of arrays and I want to remove the 2nd element, i.e. index[1] from each of the inner arrays. arrayOfArrays = [[80,60,40,17,19],[100,88,1234,99,12]]; var newArray = arrayOfArrays.forEach((array) => array.filter((value,index) => ![2,3].includes(index))); However newArray is not getting populated, and…
I am trying to subclass JavaScript array and override 'length' getter and setter. This code is not working - it outputs nothing to the console because getter and setter are not called. How to fix this? class MyArray extends Array…
so I am declaring a usestate variable as "count" and I am mapping through a list of 2 items. This code shows the variable declaration and the function to increment and decrement const [count, setCount] = useState(1); const increment =…
I have an Excel spreadsheet with columns: | A | B | C | D | | Job number | Status | Actual Hrs | % Complete | 1___|____________|________|____________|____________| 2___|____________|________|____________|____________| I have a macro to obtain the following string from…
As per the title, in one of the interview I got the above problem to solve, but i confused to get the answer. Can any one give me the solution please. Thanks in Advance! I am expecting solution as per…
i have the Array in js, but how to convert to object with nesting childs ? This is my array: const arr = [{ no: 1 }, { no: 2 }, { no: 3 }]; this is output my expected:…