What is the result when the showPerformanceMetrics() is called before loading the remote script?

A Throws an exception
B Throws an error
C It will load by itself
D Throws an exception and It will load by itself

Correct Answer: Throws an error

perflogger.showPerformanceMetrics() tells the user about the performance parameters of the script loading. If you try to make the call to perfLogger.showPerformanceMetrics() and the script hasn’t just loaded but also executed, then you will get an error.
Bissoy MCQ
#JavaScript #Lazy Loading #I

Related Questions

The yield point in fatigue loading compared to that in static loading is less. The ratio of ultimate tensile strength to endurance limit of a material subjected to fatigue loading is
A 0.5
B 1
C 1.5
D 2
What is the purpose of script loading?
A Load Scripts programmatically
B Load JavaScript files manually
C Load JavaScript files programmatically
D Load Scripts programmatically & manually
A plate with an elliptical hole in the centre, with semi-major axis (a) perpendicular to the direction of loading and semi-minor axis (b) along the direction of loading, is subjected to a pull P. The maximum stress induced at the edge of the hole is equal to (where $$\sigma $$ = Stress for a plate with no hole i.e. nominal stress)
A $$\sigma \left( {1 + \frac{{\text{b}}}{{2{\text{a}}}}} \right)$$
B $$\sigma \left( {1 + \frac{{2{\text{a}}}}{{\text{b}}}} \right)$$
C $$\sigma \left( {1 + \frac{{\text{b}}}{{3{\text{a}}}}} \right)$$
D $$\sigma \left( {1 + \frac{{3{\text{a}}}}{{\text{b}}}} \right)$$
The yield point in static loading is __________ as compared to fatigue loading.
A Higher
B Lower
C Same
D None of these
A shift register moves the _____ left or right. Serial loading means storing a word in a shift register by entering _____ bit per clock pulse. With parallel or broadside loading, it takes only one _____ pulse to load the input word.
A light, eight, clock
B right, eight, clock
C bits, one, register
D bits, one, clock
E None of the above
Yield point in fatigue loading as compared to static loading is
A Same
B Higher
C Lower
D Depends on other factors
What does the subexpression /java(script)?/ result in ?
A It matches “java” followed by the optional “script”
B It matches “java” followed by any number of “script”
C It matches “java” followed by a minimum of one “script”
D None of the mentioned
Which of the following directive determines the maximum amount of time that a PHP script will spend attempting to parse input before registering a fatal error?
A max_take_time
B max_intake_time
C max_input_time
D max_parse_time
What is the default value of max_execution_time directive? This directive specifies how many seconds a script can execute before being terminated.
A 10
B 20
C 30
D 40
Think a number and then double the number. Then add 8 and multiply the result by 6. Now divide the result by 10 the subtract the number you first thought out. what is the final result?
A 4
B 6
C 10
D 14

Next steps