Using counter as an identifier for grandchildren in React
I have multiple forms as grandchildren, and all forms are submitted at once by clicking the Submit button available in the parent.
Which Course I Prefer For Web Development? [closed]
Closed 2 hours ago.
Javascript/React Empty Array Fallback
In JavaScript ES6 there are different methods to simplify working with Arrays, like filter
, map
, reduce
, sort
, …
Javascript/React Empty Array Fallback
In JavaScript ES6 there are different methods to simplify working with Arrays, like filter
, map
, reduce
, sort
, …
Javascript/React Empty Array Fallback
In JavaScript ES6 there are different methods to simplify working with Arrays, like filter
, map
, reduce
, sort
, …
Component state reset and UI tree with different JSX syntax
I am referring to examples on this page and it is pertaining to React preserving state based on different conditions specific to the UI tree.
React UI not re-rendering with state update
I’m trying to create an expenses track app using react JS. The problem is that I’m updating the state of the variable, but the UI doesn’t change accordingly. For each new expense added, the idea is that: a) if the expense name already exists, a new line is not created, instead, the value of the new expense is added to the existing value; b) if the expense name does not exist, a new expense line is created.
React UI not re-rendering with state update
I’m trying to create an expenses track app using react JS. The problem is that I’m updating the state of the variable, but the UI doesn’t change accordingly. For each new expense added, the idea is that: a) if the expense name already exists, a new line is not created, instead, the value of the new expense is added to the existing value; b) if the expense name does not exist, a new expense line is created.
React UI not re-rendering with state update
I’m trying to create an expenses track app using react JS. The problem is that I’m updating the state of the variable, but the UI doesn’t change accordingly. For each new expense added, the idea is that: a) if the expense name already exists, a new line is not created, instead, the value of the new expense is added to the existing value; b) if the expense name does not exist, a new expense line is created.
How to delete a nested object inside array of objects
I am trying to delete an object property. I used splice
method, also delete
method, but I receive “TypeError: Cannot delete property.”. I have a comments
array, whose each comment
object has replies
array of objects, and I am trying to delete one of the object (reply
object whose id is 1) inside replies
array. And then replacing this comment
object with its old version inside commments
array. I tried: