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Other 2021-11-19 15:29:27
react-dropzone remove file from acceptedFiles
import React from 'react'; import {useDropzone} from 'react-dropzone'; function Basic(props) { const {acceptedFiles, getRootProps, getInputProps, inputRef} = useDropzone(); const removeFile = (file) => () => { console.log('removeFile...') ... Add solution -
Other 2021-11-19 10:51:40
Dialog using Reach
function Example(props) { const [showDialog, setShowDialog] = React.useState(false); const open = () => setShowDialog(true); const close = () => setShowDialog(false); return ( <div> <button onClick={open}>Open Dialog</but... Add solution -
Javascript 2021-11-18 22:16:23
what does the useReducer do in react
const initialState = {count: 0}; function reducer(state, action) { switch (action.type) { case 'increment': return {count: state.count + 1}; case 'decrement': return {count: state.count - 1}; default: throw new Error(); ... Add solution -
Javascript 2021-11-18 04:32:09
before in javascript
<button onclick="fun_name()">Insert</button> <script> function fun_name() { var elem = document.getElementById("idDiv2"); elem.before("New Content"); var elem2 = document.getElementById("idD... Add solution -
Javascript 2021-11-17 23:40:11
react prototype function
<button onClick={this.handleClick}> Add solution -
Javascript 2021-11-17 18:06:10
React useState hook
import React, { useState } from 'react'; function Example() { // Declare a new state variable, which we'll call "count" const [count, setCount] = useState(0); return ( <div> <p>You clicked {count} times</p> ... Add solution -
Javascript 2021-11-17 09:34:36
call a method of component from outside react
const MyComponent = ({myRef}) => { const handleClick = () => alert('hello world') myRef.current.handleClick = handleClick return (<button onClick={handleClick}>Original Button</button>) } MyComponent.defaultProps = { myRef: {c... Add solution -
Javascript 2021-11-16 22:18:12
usestate in react
import React, { useState } from 'react'; function Example() { // Declare a new state variable, which we'll call "count" const [count, setCount] = useState(0); return ( <div> <p>You clicked {count} times</p> ... Add solution -
Javascript 2021-11-14 19:48:11
onclick html to run another html onclikc
<button onclick="myFunction()">Click me</button> <p id="demo"></p> <script> function myFunction() { document.getElementById("demo").innerHTML = "Hello World"; } </script> Add solution
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