Why do we need to use an onload event in the script tag after using the async attribute?

A Invoke code during page loading
B Invoke code during script loading
C Invoke code during downloading
D Invoke code during reloading

Correct Answer: Invoke code during downloading

When using async you don’t know when the file will be downloaded, so you can attach an onload event handler to the script tag. This will allow you to invoke or instantiate any code that will need to be run when the file is downloaded:
Bissoy MCQ
#JavaScript #Script Loading #I

Related Questions

What is the purpose of using the async attribute in the script tag?
A Load the script asynchronously
B Load the script synchronously
C Load the page asynchronously
D Load the page synchronously
What is the type of datatype the async attribute optionally accepts?
A Integer
B String
C Boolean
D Decimal
(i) Why do we remember May Day? (ii) What significant changes happened due to that event? (iii) How did the event happen? (iv) What can be done in present day as a result of that event ? (v) Mention the moral of that event.
A (i) We remember May day as it reminds us about the historic struggle of working people throughout the world
B (II) All the fortunate workers enjoy today-a minimum wage, safety laws and 8 hour workday due to that event.
C (iii) Police fired into a crowd of strikers at the McCormick arvest Machine Company, Chicago, killing at least one striker, seriously wounding five or six others and injuring an undetermined number.
D (iv) The events of May day 1886 is a remind that workers will continue to be subjugated until they stand up and speak out to gain better working conditions, better pay and better lives.
E (V) Workers will not be ever down in term of their right. (All)
What will happen if the browser encounters a script tag without an src attribute?
A Throws an error
B Throws an exception
C Sends it to the compiler
D Sends it to the interpreter
What is the solution to the absence of a script tag without an src attribute?
A Resend the scripts
B Create inline JavaScript
C Attach a javascript file
D Include a file
All attribute declarations begin with the keyword ____________ followed by the element name, attribute name, attribute type, and default data information.
A XML
B SGML
C ATTLIST
D HTML
A shopkeeper marks an article at such a price that after allowing a discount of 30% on the tag price he makes a profit of 40% . If the tag price of the article including tax is Tk. 460 . then the cost price of that article is--
A 232
B 260
C 230
D 330
What does the Minify return back to the Script tag?
A File I/O
B Minify JavaScript
C HTTP Request
D Gzip encoded
What is the return type of the script tag?
A File I/O
B Minify JavaScript
C HTTP Request
D Gzip encoded
The script tag must be placed in
A head
B head and body
C title and head
D all of the mentioned

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