locate and delete an object in an array
// we have an array of objects, we want to remove one object using only the id property
var apps = [{id:34,name:'My App',another:'thing'},{id:37,name:'My New App',another:'things'}];
// get index of object with id:37
var removeIndex = apps.map(function(item) { return item.id; }).indexOf(37);
// remove object
apps.splice(removeIndex, 1);locate and delete an object in an array
// we have an array of objects, we want to remove one object using only the id property
var apps = [{id:34,name:'My App',another:'thing'},{id:37,name:'My New App',another:'things'}];
// get index of object with id:37
var removeIndex = apps.map(function(item) { return item.id; }).indexOf(37);
// remove object
apps.splice(removeIndex, 1);js remove from array by value
const index = array.indexOf(item);
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);locate and delete an object in an array
var people = [
{name: 'Billy', age: 22},
{name: 'Sally', age: 19},
{name: 'Timmy', age: 29},
{name: 'Tammy', age: 15}
];
_.remove(people, function(e) {
return e.age < 21
});
console.log(people);
// Output
// [ { name: 'Billy', age: 22 }, { name: 'Timmy', age: 29 } ]locate and delete an object in an array
var people = [
{name: 'Billy', age: 22},
{name: 'Sally', age: 19},
{name: 'Timmy', age: 29},
{name: 'Tammy', age: 15}
];
_.remove(people, function(e) {
return e.age < 21
});
console.log(people);
// Output
// [ { name: 'Billy', age: 22 }, { name: 'Timmy', age: 29 } ]how can i remove a specific item from an array
const items = ['a', 'b', 'c', 'd', 'e', 'f']
const i = 2
const filteredItems = items.slice(0, i).concat(items.slice(i + 1, items.length))
// ["a", "b", "d", "e", "f"]how can i remove a specific item from an array
const items = ['a', 'b', 'c', 'd', 'e', 'f']
const i = 2
const filteredItems = items.slice(0, i).concat(items.slice(i + 1, items.length))
// ["a", "b", "d", "e", "f"]java script removing first three indexes
var indexToRemove = 0;
var numberToRemove = 1;
arr.splice(indexToRemove, numberToRemove);java script removing first three indexes
var indexToRemove = 0;
var numberToRemove = 1;
arr.splice(indexToRemove, numberToRemove);Copyright © 2021 Codeinu
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