how to delete an object from an array code example

Example 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);

Example 2: remove object in array javascript

//1
someArray.shift(); // first element removed
//2
someArray = someArray.slice(1); // first element removed
//3
someArray.splice(0, 1); // first element removed
//4
someArray.pop(); // last element removed
//5
someArray = someArray.slice(0, a.length - 1); // last element removed
//6
someArray.length = someArray.length - 1; // last element removed

Example 3: how to delete object in array

let array = [1,2,3];
let item = array.indexOf(2)
let deleteCount = 1;
array.splice(item, deleteCount)

Example 4: javascript pop object from array

array.pop()

Example 5: java script removing first three indexes

var indexToRemove = 0;
var numberToRemove = 1;

arr.splice(indexToRemove, numberToRemove);