I have a component for dialog windows in Vue 2 that is listening to event tcs-show-confirm (it is the same event that shows the dialog, sets the show property to true - in a parent component):    @Prop({ default: false })   show: boolean;    @Prop()...
I have a requirement to show thumbnails of videos(cards) in several rows and focus on the very first thumbnail. I did the display using Nested Map. The code basically iterates over a videos array and returns videos in several rows.  How do we focus o...
As suggested in this issue, this is how refs are suggested to use in case I want to ref a child component.  findDOMNode(childComponentStringRef)  class Field extends Component {   componentDidMount() {     // this.inputNode.focus(); // Basically I wa...
I'm using ReactJS with NextJS. When I'm trying to set a ref, my console returns me undefined, how it is possible? How remedy to this difficulty? I have tried to read some propositions on the web but without success.   Here my snippet:    comp...
I have the below component that works fine with this.refs.searchString.value but would it work if I just event.target.value instead? If so, which one is preferred method? What's the pros and cons of each?  const SearchBar = React.createClass({...
I have 3 nav items that have different markup but all need the same functionality -- to animate the svg paths within it in sequence. Sounds like a good scenario to use an HOC. However, I am unable to push the refs to an array via a function (activePa...
I am trying to apply this example to my own code, but it seems that "ref" properties are obsolete in this form. Can anyone help me with this code? Right now i am getting "Cannot read property 'focus' of undefined", when clicki...
I'm learning from the docs but don't get the line below  inputRef={el => this.inputElement = el}   Why is there a = el at the end? Isn't inputRef just supposed to be a function to grab a reference to the input?...
Say you have this JSX:  <div ref={this.divRef}>   <SomeComponent /> </div>   And you want to get the name of the ref and add it to your state, how would you do that?  Something like:  componentDidMount() {     // get all the positio...
I want to use ref, however I am not able to use this in the conditional rendering which is initially false.  constructor(props) {     super(props);     this.state = {        filterActive: false,     }     this.firstRef = React.createRef();  }   If I...

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