diff options
| -rw-r--r-- | README.md | 5 | ||||
| -rw-r--r-- | lib/async.js | 15 |
2 files changed, 14 insertions, 6 deletions
@@ -1067,8 +1067,9 @@ three ### nextTick(callback) Calls the callback on a later loop around the event loop. In node.js this just -calls process.nextTick, in the browser it falls back to setTimeout(callback, 0), -which means other higher priority events may precede the execution of the callback. +calls process.nextTick, in the browser it falls back to setImmediate(callback) +if available, otherwise setTimeout(callback, 0), which means other higher priority +events may precede the execution of the callback. This is used internally for browser-compatibility purposes. diff --git a/lib/async.js b/lib/async.js index b3c25d6..4185b11 100644 --- a/lib/async.js +++ b/lib/async.js @@ -1,4 +1,4 @@ -/*global setTimeout: false, console: false */ +/*global setImmediate: false, setTimeout: false, console: false */ (function () { var async = {}; @@ -74,9 +74,16 @@ //// nextTick implementation with browser-compatible fallback //// if (typeof process === 'undefined' || !(process.nextTick)) { - async.nextTick = function (fn) { - setTimeout(fn, 0); - }; + if (typeof setImmediate === 'function') { + async.nextTick = function (fn) { + setImmediate(fn); + }; + } + else { + async.nextTick = function (fn) { + setTimeout(fn, 0); + }; + } } else { async.nextTick = process.nextTick; |