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Javascript 2021-10-21 08:22:20
number to array javascript
const myNumber = 1245; function numberToArray(number) { let array = number.toString().split("");//stringify the number, then make each digit an item in an array return array.map(x => parseInt(x));//convert all the items back into number... Add solution -
Javascript 2021-10-19 08:04:20
functions in map javascript
const myArray = ['Sam', 'Alice', 'Nick', 'Matt']; // Appends text to each element of the array const newArray = myArray.map(name => { return 'My name is ' + name; }); console.log(newArray); // ['My name is Sam', 'My Name is Alice', ...] // Appends ... Add solution -
Javascript 2021-10-14 07:44:07
get unique values from array of objects javascript
const array = [ { "name": "Joe", "age": 17 }, { "name": "Bob", "age": 17 }, { "name": "Carl", "age": 35 } ] const key = 'age'; const arrayUniqueByK... Add solution -
Javascript 2021-10-10 01:33:04
functional component how to add to existing array react
const {useState, useCallback} = React; function Example() { const [theArray, setTheArray] = useState([]); const addEntryClick = () => { setTheArray([...theArray, `Entry ${theArray.length}`]); }; return [ <input type=&... Add solution -
Javascript 2021-10-10 01:04:05
map in javascript
const myArray = ['Sam', 'Alice', 'Nick', 'Matt']; // Appends text to each element of the array const newArray = myArray.map(name => { return 'My name is ' + name; }); console.log(newArray); // ['My name is Sam', 'My Name is Alice', ...] // Appends ... Add solution -
Javascript 2021-10-08 13:53:06
random password javascript
function generatePassword(passwordLength) { var numberChars = "0123456789"; var upperChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; var lowerChars = "abcdefghijklmnopqrstuvwxyz"; var allChars = numberChars + upperChars + lower... Add solution
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