How many properties are there in window.performance object?(a) 1(b) 4(c) 2(d) 3The question was asked during an interview for a job.This is a very interesting question from Integrating the Performance Object with perfLogger in chapter Invocation and Performance Navigation of JavaScript

How many properties are there in window.performance object?(a) 1(b) 4(

1.	How many properties are there in window.performance object?(a) 1(b) 4(c) 2(d) 3The question was asked during an interview for a job.This is a very interesting question from Integrating the Performance Object with perfLogger in chapter Invocation and Performance Navigation of JavaScript
Answer» The CORRECT CHOICE is (c) 2 Easy explanation: The Window interface’s performance property returns a Performance OBJECT, which can be used to gather performance INFORMATION about the current document. There are totally 2 properties associated with the window.performance and they are: navigation type.

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