What is the symbol(s) to comment out one line in JavaScript?
A. //This is a comment
B. **This is a comment
C. %% This is a comment
D. ** This is a comment **
查看答案
Which of the following is a valid type of function javascript supports
A. named function
B. anonymous function
C. Both of the above
D. None of the above
When we use function and onClick event as example is it must to use
