[Pkg-javascript-commits] [backbone] 35/74: Added clear method to Model. Removes all attributes like you would expect.

[Jonas Smedegaard]

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js pushed a commit to tag 0.3.0
in repository backbone.

commit d84ef25c6b04a75a0f4191cc2c7970d998da1eee
Author: Chris Lloyd <christopher.lloyd at gmail.com>
Date:   Sun Oct 31 22:44:19 2010 +0100

    Added clear method to Model. Removes all attributes like you would expect.
---
 backbone.js | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/backbone.js b/backbone.js
index 6112759..538842d 100644
--- a/backbone.js
+++ b/backbone.js
@@ -190,6 +190,22 @@
       }
       return value;
     },
+    
+    // Clears all attributes from the model, firing `"change"` unless you 
+    // choose to silence it.
+    clear : function(options) {
+      options || (options = {});
+      var old = this.attributes;
+      this.attributes = {};
+      if (!options.silent) {
+        this._changed = true;
+        for (attr in old) {
+          this.trigger('change:' + attr, this);
+        }
+        this.change();
+      }
+      return old;
+    },
 
     // Fetch the model from the server. If the server's representation of the
     // model differs from its current attributes, they will be overriden,

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