javascript array remove element
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"]
javascript array remove element
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"]
Remove specific object from the Array in Javascript
const apps = [
{id:1, name:'Jon'},
{id:2, name:'Dave'},
{id:3, name:'Joe'}
]
//remove item with id=2
const itemToBeRemoved = {id:2, name:'Dave'}
apps.splice(apps.findIndex(a => a.id === itemToBeRemoved.id) , 1)
//print result
console.log(apps)
delete item from list javascript
const array = [1, 2, 3];
const index = array.indexOf(2);
if (index > -1) {
array.splice(index, 1);
}
js remove from array by value
const index = array.indexOf(item);
if (index !== -1) array.splice(index, 1);
pop up element from specific index in array
let items = ['a', 'b', 'c', 'd'];
let index = items.indexOf('a')
let numberOfElementToRemove = 1;
if (index !== -1) { items.splice(index,numberOfElementToRemove)}
how to remove a specific object from an array javascript
var arr = [{id:1,name:'serdar'}, {id:2,name:'alfalfa'},{id:3,name:'joe'}];
removeByAttr(arr, 'id', 1);
// [{id:2,name:'alfalfa'}, {id:3,name:'joe'}]
removeByAttr(arr, 'name', 'joe');
// [{id:2,name:'alfalfa'}]
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