Array.filter react

React filter array

import { useState } from "react"
2
3let numbers = [64, 84, 22, 32, 83, 65, 51, 26, 23, 56]
4function App() {
5  const [filteredNumbers, setFilteredNumbers] = useState(numbers)
6
7  const radioChangeHandler = e => {
8    const value = e.target.value
9    if (value === "even") {
10      setFilteredNumbers(
11        numbers.filter(number => {
12          if (number % 2 === 0) {
13            return true
14          }
15          return false
16        })
17      )
18    } else {
19      setFilteredNumbers(
20        numbers.filter(number => {
21          if (number % 2 !== 0) {
22            return true
23          }
24          return false
25        })
26      )
27    }
28  }
29
30  return (
31    <div className="App">
32      <h2>Number filtering</h2>
33      <input
34        type="radio"
35        name="evenOrOdd"
36        id="even"
37        value="even"
38        onChange={radioChangeHandler}
39      />
40      <label htmlFor="even">Even</label>
41      <input
42        type="radio"
43        name="evenOrOdd"
44        id="odd"
45        value="odd"
46        onChange={radioChangeHandler}
47      />
48      <label htmlFor="odd">Odd</label>
49      <ul>
50        {filteredNumbers.map(number => {
51          return <li key={number}>{number} </li>
52        })}
53      </ul>
54    </div>
55  )
56}
57
58export default App

-1

Source: codingdeft.com

Similar codes

0 vote295 views1 answer
Type '{ GlobalState: any; Dispatch: React.Dispatch<any>; }' is not assignable to type 'null'
Javascript React
0 vote353 views1 answer
Search Filter with React Native on FlatList
Javascript React
0 vote326 views1 answer
React native length of object
Javascript React
5 votes304 views2 answers
Update react version
Javascript React
0 vote313 views2 answers
Write data in props.histroy.push in react component
Javascript React
0 vote316 views1 answer
How to empty input field in react
Javascript React
15 votes302 views2 answers
React check if url address is valid
Javascript React
0 vote343 views1 answer
Corousal in react
Javascript React
0 vote313 views1 answer
React strap documentation
Javascript React
0 vote319 views1 answer
Empty div react
Javascript React