typeOf (item) String
public
Returns a consistent type for the passed object.
Use this instead of the built-in typeof
to get the type of an item. It will return the same result across all browsers and includes a bit more detail. Here is what will be returned:
| Return Value | Meaning | |---------------|------------------------------------------------------| | 'string' | String primitive or String object. | | 'number' | Number primitive or Number object. | | 'boolean' | Boolean primitive or Boolean object. | | 'null' | Null value | | 'undefined' | Undefined value | | 'function' | A function | | 'array' | An instance of Array | | 'regexp' | An instance of RegExp | | 'date' | An instance of Date | | 'class' | An Ember class (created using Ember.Object.extend()) | | 'instance' | An Ember object instance | | 'error' | An instance of the Error object | | 'object' | A JavaScript object not inheriting from Ember.Object |
Examples:
Ember.typeOf(); // 'undefined' Ember.typeOf(null); // 'null' Ember.typeOf(undefined); // 'undefined' Ember.typeOf('michael'); // 'string' Ember.typeOf(new String('michael')); // 'string' Ember.typeOf(101); // 'number' Ember.typeOf(new Number(101)); // 'number' Ember.typeOf(true); // 'boolean' Ember.typeOf(new Boolean(true)); // 'boolean' Ember.typeOf(Ember.makeArray); // 'function' Ember.typeOf([1, 2, 90]); // 'array' Ember.typeOf(/abc/); // 'regexp' Ember.typeOf(new Date()); // 'date' Ember.typeOf(Ember.Object.extend()); // 'class' Ember.typeOf(Ember.Object.create()); // 'instance' Ember.typeOf(new Error('teamocil')); // 'error' // 'normal' JavaScript object Ember.typeOf({ a: 'b' }); // 'object'
Parameters:
-
item
Object
- the item to check
Returns:
-
String
- the type
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