CODEWITHSUNDEEP
javascript
Timothy Clemans
Timothy Clemans

Reputation: 1771

Delete element of array without null as result

How do I delete an item from an array without null as the result?

var a = [1,2,3];
delete a[1];
a;
result: [1,null,3];
desired result: [1,3];

Upvotes: 1

Views: 73

Answers (1)

Mike Christensen
Mike Christensen

Reputation: 91608

The delete operator simply removes a property from an object, so that property becomes null. It won't resize your array automatically.

To do this, use the Splice method:

var a = [1,2,3];
a = a.splice(1, 1); // Remove one element from array, starting at index 1

More Info on JavaScript Splice Method

Upvotes: 2

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