API Docs for: v2.11.0-beta.7
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File: packages/ember-metal/lib/is_none.js

/**
  Returns true if the passed value is null or undefined. This avoids errors
  from JSLint complaining about use of ==, which can be technically
  confusing.

  ```javascript
  Ember.isNone();              // true
  Ember.isNone(null);          // true
  Ember.isNone(undefined);     // true
  Ember.isNone('');            // false
  Ember.isNone([]);            // false
  Ember.isNone(function() {}); // false
  ```

  @method isNone
  @for Ember
  @param {Object} obj Value to test
  @return {Boolean}
  @public
*/
export default function isNone(obj) {
  return obj === null || obj === undefined;
}