remove previous element from array javascript by index 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: delete item from list javascript
const array = [1, 2, 3];
const index = array.indexOf(2);
if (index > -1) {
array.splice(index, 1);
}