angular/angular.js — pull request #8364 by amyboyd (2014-07-27 19:16:52+00:00)
Title: feat(): allow function to calculate the delay for each iteration.

Request Type: feature

Component(s): misc core

Impact: small

Complexity: small

Detailed Description:

Example use case:

var START_DELAY = 1000;

$interval(
function() { ... },
function(iteration) { return ((Math.pow(2, iteration) - 1) / 2) * START_DELAY; }
);