Created
November 6, 2012 23:21
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How instanceof works
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| function A() {} | |
| var a = new A() | |
| a instanceof A | |
| //true | |
| //swap the prototype | |
| A.prototype = {} | |
| a instanceof A | |
| //false | |
| //instanceof checks if the function prototype is the same as objects __proto__ |
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