Q.1
Which of the following does JSON.stringify not serialize?
Q.2
Which of the following does not serialize the undefined values or objects within an object?
Q.3
How many properties are there in the interface PerformanceTiming?
Q.4
How many properties are there in window.performance object?
Q.5
What is the purpose of the property PerformanceTiming.fetchStart?
Q.6
Which of the following property is associated with the Request event?
Q.7
Which of the following API can be used to get the timing without affecting the page loading process?
Q.8
What is the purpose of the navigation property in the window.performance object?
Q.9
What does it indicate when the type attribute of the navigation object is set to 2?
Q.10
What does the method Performance.now() return?
Q.11
Which of the following is a read-only property?
Q.12
Which of the following is an interface?
Q.13
How many properties are associated with the Response event?
Q.14
Which of the following property gives access to the JavaScript memory usage data?
Q.15
Which is the method used to add an event listener?
Q.16
What is the purpose of the domLoading attribute?
Q.17
What is the purpose of the timing property in the window.performance object?
Q.18
Which of the following property is associated with the Response event?
Q.19
Which of the following computation is correct to calculate the time taken for page load once the page is received from the server?
Q.20
How is the render time calculated?
0 h : 0 m : 1 s