Question 1 of 25
Hints left: 3
Q1
What kind of an exception will be thrown if the string to parse is not valid JSON?
Q2
Which function is used to start the time logging?
Q3
The lexical scooping in JavaScript is based on which of the following?
Q4
How many default number methods are available in JavaScript?
Q5
How can you create a node for comment in JavaScript?
Q6
What will be the radix value of the parseInt() method when the string begins with any other value other than 0x and 0?
Q7
How to calculate the run time of a code?
Q8
What is an observer effect?
Q9
How do you specifically execute a command in JavaScript?
Q10
What is the return data type of the property accept that belongs to the Input element?
Q11
Where does the external process save the result of the test?
Q12
What is the purpose of the adoptNode() method?
Q13
What is the purpose of the UgilifyJS?
Q14
Which of the following is the fastest JavaScript parser?
Q15
What is the function of the method importNode()?
Q16
Which of the following object is used to post the data to an external process, say savePerfData?
Q17
What type of scooping is present in JavaScript?
Q18
Which of the following attribute of form tag is not set by using document object in JavaScript?
Q19
How can you dispatch a synthetic event object?
Q20
According to the workflow of a runtime logging, what happens after calculating the run time?
Q21
What are the parameters of the method JSON.parse()?
Q22
Which of the following is a JavaScript Compressor?
Q23
Which function is used to stop the time logging?
Q24
Which of the following are ways to benchmark code?
Q25
What is the purpose of the property width belonging to the ImageData element?