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:…
Working with jsonb and Postgres I'm running into the following problem: My output looks like this: [ {columnName: {}}, { columnName: {} } ] But I would like it to look like this: [ {}, {} ] I want to…
have an array of objects I'm showing in a table in react and adding a filter to the top of each table column. Most columns are NOT NULL but there are a few that can be null. These columns are…
<?php $players = [ [ 'name' => 'ronaldo', 'quality' => 'best plaeyr' ], [ 'name' => 'scholes', 'quality' => 'respected' ], [ 'name' => 'mbaape', 'quality' => 'fastest' ] ]; ?> this is my $players array This is how i…
The query I've got so far: const cities = await City.find({ names : { $in: citiesArray }}) The field names is a String separated by commas (e.g "A, B, C, D, E...") The field citiesArray is a JS array (e.g.…
This code is supposed to log to the console which books + amount of each book is still at the library at the end of the day. Array 1 shows the books + amount at the start of day 1…