Object vs Function Defaults in Backbone.js: Which Approach Minimizes Shared‑State Bugs After an Upgrade?
When upgrading a Backbone.js application from an older release to 1.4+, the choice of defaults for Backbone.Model can affect data integrity. A static object is shared across instances, potentially causing unintended cross‑instance mutations. A function returns a fresh object per model, avoiding shared state but adding a small overhead. The unresolved decisio
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