Vylúčiť hodnotu z JavaScriptu poľa

Príklady kódu

209
0

odstráňte konkrétny prvok z poľa

var colors = ["red","blue","car","green"];
var carIndex = colors.indexOf("car");//get  "car" index
//remove car from the colors array
colors.splice(carIndex, 1); // colors = ["red","blue","green"]
13
0

odstrániť prvok z poľa v js

var myArray = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"];

//removing element using splice method -- 
//arr.splice(index of the item to be removed, number of elements to be removed)
//Here lets remove Sunday -- index 0 and Monday -- index 1
  myArray.splice(0,2)

//using filter method
let itemToBeRemoved = ["Sunday", "Monday"]
var filteredArray = myArray.filter(item => !itemToBeRemoved.includes(item))
9
0

Ako môžem odstrániť konkrétnu položku z poľa

const array = [2, 5, 9];

console.log(array);

const index = array.indexOf(5);
if (index > -1) {
  array.splice(index, 1);
}

// array = [2, 9]
console.log(array); 
5
0

ako odstrániť prvok v zozname javascript

//using filter method
let itemsToBeRemoved = ["Sunday", "Monday"]
var filteredArray = myArray.filter(item => !itemsToBeRemoved.includes(item))
3
0

ako odstrániť konkrétny prvok z poľa v JavaScripte

var arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0]
newArr.splice(1,2)
//remove 1 element from index 2
-1
0

vylúčiť vales z poľa v js

var array = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0];
var filtered = array.filter(function(value, index, arr){ 
  return value > 5;
});
//array => [1, 2, 3, 4, 5, 6, 7, 8, 9, 0]
//filtered => [6, 7, 8, 9]

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