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Only splice from internal arrays when item actually exists.

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Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
This commit is contained in:
Rick Waldron 2012-12-31 18:06:38 -05:00
parent b9cdc4136b
commit f717226b3a
1 changed files with 5 additions and 2 deletions
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7
src/data.js
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@ -122,8 +122,11 @@ Data.prototype = {
}, },
discard: function( owner ) { discard: function( owner ) {
var index = this.owners.indexOf( owner ); var index = this.owners.indexOf( owner );
this.owners.splice( index, 1 );
this.cache.splice( index, 1 ); if ( index >= 0 ) {
this.owners.splice( index, 1 );
this.cache.splice( index, 1 );
}
return this; return this;
} }
}; };