diff options
Diffstat (limited to 'src/apis.js')
| -rw-r--r-- | src/apis.js | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/apis.js b/src/apis.js index 7b470802..098d9cdd 100644 --- a/src/apis.js +++ b/src/apis.js @@ -97,5 +97,15 @@ HashQueueMap.prototype = { return array.shift(); } } + }, + + /** + * return the first item without deleting it + */ + peek: function(key) { + var array = this[key = hashKey(key)]; + if (array) { + return array[0]; + } } }; |
