I am coding Two-dimensions-Array in ReactNative. Single-Array is successful in JSX. But I do not get how to use Two-dimensions-Array in JSX. Can we use Two-dimensions-Array in JSX ? Rendering is successful Rendering is nothing (my question) myDoubleArray is Two-dimensions-Array like this. Answer You do not return a value from the outer map function. So, the product of it is
Advertisement
Tag: jsx
react js : children style doesn’t show
I tried to create a component ‘Card’ and use it like a container. the code work well without ‘card’. when I tried to add it the ‘Card.css’ and expense-item in ExpenseItem.css doesn’t work this is ‘ExpenseItem.js’: this is ‘Card.js’: and this is ‘Card.css’: and finally this is ‘ExpenseItem.css’: Answer You need a space between card and the class name in
dynamic Button class does not update after the array change
So I have an array of objects. I iterate through this array and create a button for each object. When a button is pressed that object of the button pressed has a value “active” that will be set to true. when another button is pressed its “active” value is now true all all the other ones are turned to false.
Why am I getting an error saying that expressJwt is not a function?
So I am trying to implement this middleware in my code. But I am getting the following error – expressJwt is not a function I have done npm install express-jwt. I do not understand why this is giving me this error. Answer Try this..
How to solve Text strings must be rendered within a in nested map?
I’m not finding a way to solve this error in my nested map function , everything that I try ends up in a sintax error. My code: I tried to remove these components but it not worked, how can I make it work ? Answer
How to solve undefined is not a function (near ‘…userForm.map…’)?
Im trying to render some strings , but I’m getting error, someone knows how to solve it ? code : route.params.paramKey is a string route.params.paramKey string is = {“objeto”:”CLMobj_test”,”fields”:[“abcs”,”test”],”type”:[“Date”,”Text”]} Answer Since route.params.paramKey is a string, you cannot call map on it directly. If you want to go ahead with this approach you can do something like this: EDIT: After you
Adjacent JSX elements must be wrapped in an enclosing tag. Did you want a JSX fragment …?
Here is my code: The error appears at the first character of the opening tag for the breakline HTML element. I do not understand why this is happening as I have code elsewhere that uses the same principle and has no errors at all. Answer These elements, inside the curly braces, need to be wrapped inside of a <React.Fragment />
Migrating from Babel to SWC with React
TL;DR How to translate a node script like this: to use SWC instead of Babel? Context We recently upgraded our Next.js version. Next.js now supports SWC instead of Babel. The unit tests for React in our project are written with RITEway. The test command is: It transforms the files with Babel first because otherwise import statements and JSX would cause
Push data inside an array index. React Native JSX
I am trying to compare, find and push data inside an array. But getting following error Error => TypeError: undefined is not an object (evaluating ‘data[index].push’) I have following JSON/Array I want to push packages object inside matching category so json/array will be as follows Following is the code what I was trying to do: Answer I don’t know how
How to get the value of prop (which could be multi-line) in JSX tag using regex?
I want to get the value of title props from these JSX elements,
Advertisement