When I define a function outside the function, I cannot access the glide parameter: Hence, I have did something like that: I want to know if it is hack or good practice? Is there more convenient way for doing this. Answer Having the function outside is better. Mainly for readability and testing, but if your f…
Tag: javascript
Function not returning the expected result
I have written a function to search an array and log a number(x) if it is found. The code below works as expected and 1 is logged. let myArr = [54, 23, 499, 342, 1, 44]; let x = 1; let searchNumber = …
Firebase Realtime Database, only send data if the key && date don’t exists
I have done a lot of research and read through multiple stackoverflow questionso on firebase. Some were kind of helpful. But none that particularly helped my problem. I am trying to make a menu planner. There for I need more than one check to test if for example. Date exists, serviceType is === to “lunc…
How can I make a JS string have newlines instead of showing n? [closed]
Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 2 years ago. Improve this question How can I make it so that a JavaScript string makes a new line instead of showing n? Say I h…
react native: Android back button does not go back on the first click when I am inside the TopTabNavigator
The Android back button does not go back on the first click when I am inside the TopTabNavigator. What actually happens is that the tab goes left and right and only after a few presses of the Android back button only then it go back. How can such a thing be prevented and fix ? in my example i have
firebase order by datetime desc and asc
so i learn something new from firebase realtime for chat purpose.. but i still confuse how to make an action “how to order by like php” so i have some code like this here my database How to order limit asc and desc method with lastupdate child? im search for reference that mostly tutorial for andr…
In javascript V8 does compilation phase happen to functions before execution phase then all the code is executed or only for global context
I read many articles saying that compilation(creation) phase happens first to the global execution context then the code is executed and when a function is invoked the creation phase then begins again …
Trying to change background color on same valued inputs
I’ve been trying to change the input on a same valued inputs. The input ids are (Input${i} (Input0 , Input1 and etc., iterating them with loop), I have a button which evokes the function, The best I got so far is this: Answer I think you probably want to learn to do something like: You’ll notice t…
Test clearing of search input field on submit (after fetching)
I want to test that a search box does calls a handler (passed as prop) with the fetched results and resets the input field afterwards. This is the error: Answer waitFor returns a Promise so you need to use await:
JavaScript sort value by arrow function
in JavaScript , we can use array.sort((a, b) => a-b) to sort the array in increasing order. I know that we pass a function into the sort to customize it. It is said when a – b = positive value, then place b in the first, like (b, a) descending order. I wonder how this positive value influence the ord…