how to delete value from array using jquery?

Question

can you please tell me how to how to delete value from array using jquery ?.I am able to delete values But in place of value I am getting undefined value.

items = ['a', 'b', 'c', 'd'];
if(items.indexOf('c') !== -1) {
  delete items[items.indexOf('c')];
}
console.log(items)
alert(items)
alert(items.length)

It is printing 4 length.It is taking undefined value in array.How to remove completely from array ? So that it length become 3.and out put become a,b,d

Answer 1

Use JavaScript Array's built in splice method:

array.splice(index, 1);

The second parameter is the number of elements to remove, so 1 = "just this one".