Tag: jsx

How to use globally registered components in JSX/TSX without importing?

VButton has been globally registered and can be used in SFC <template> directly, how can I use it without manually importing in JSX/TSX? Answer Well, I didn’t expect using VButton directly works out of the box after global registration.

How to get the value of prop (which could be multi-line) in JSX tag using regex?

javascript jsx reactjs regex regex-group

I want to get the value of title props from these JSX elements, For the above example, Disabled Text Input Disabled ways for Text Input to work I am trying to use regex, using grouping, I was able to get the children of Story JSX element, using /<Story[^]+?>(?<component>[^$]*?)</Story>/g but…

How to use useEffect and for loop to generate multiple JSX elements

for-loop javascript jsx reactjs use-effect

I want to use useEffect and for-loop to generate multiple JSX elements but nothing is rendered in this case. warning code: “React Hook useEffect has a missing dependency: ‘renderInfoCard’. Either include it or remove the dependency array react-hooks/exhaustive-deps” Answer I wouldn&#82…

How to use script tags in React?

javascript jsx reactjs

I am pretty new to React and I wanted to try incorporating some pure Javascript in my React component. I have an html file of the script tags that I want to use which works, but obviously in React it is a little more complicated then just adding some script tags. From what I have been reading, it seems like

React Router Linking using

javascript jsx react-router reactjs

I am using React Router. I want when the user clicks on the button, it directs them to the page (endpoint) /form which has the UserForm component. Here is my code wrapping the button: Answer

‘state’ is not defined no-undef

javascript jsx reactjs

I use a tutorial to learn React and I got stuck pretty quickly. In the tutorial they use this code: And everything works great. But in my case, I get this error: srccomponentscounter.jsx Line 4:3: ‘state’ is not defined no-undef Search for the keywords to learn more about each error. After trying everything, …

React run javascript code after all render is completed in function based component

frontend javascript jsx reactjs

I had a form component with the following content I wanted to focus the text element after the component gets rendered. I was first trying to put {document.querySelector(“#txt-in”).focus()}, it didn’t work and after searching I found I could use the tag autoFocus. and everything would work b…

React App – My alert window is showing up twice

html javascript jsx reactjs

I don’t understand why this is happening – I have an app that increments and decrements a counter when the buttons are pressed to display an increasing list of easter egg brands from a collection. When the counter reaches the max number of eggs in the collection I want a popup to appear saying &#8…

How to add a class name in every row without effect the rest of the rows?

array.prototype.map class-names javascript jsx reactjs

How to add a class name in every row without effect the rest of the rows Answer The problem here is that when you say the state is false; it is assuming the state is false for the whole component. It doesn’t update the row but the whole component. So, at first, you need to add a deleted property that

Appears that React is not re-rendering after state update in useeffect (Reask)

javascript jsx reactjs

Summarize the Problem Goal I am attempting to create a cart feature for my Shop Inventory project. This cart will basically contain a list of product ids and eventually allow a user to see all of the items in this ‘cart’. Once the user feels like they have added all of the products they’d li…