Congratulations. You've aced all the exercises for this chapter.
To practice on your own, or to check code you believe shouldn't have been scored as incorrect, go to CodePen.
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To practice on your own, or to check code you believe shouldn't have been scored as incorrect, go to CodePen.
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| What is the tag for commenting 1 JavaScript line at a time? | // | \/\/ | |
| What is the opening tag for a JavaScript block comment? | /* | \/\* | |
| Code a single-line comment that says No comment | // No comment | \/\/Nocomment | |
| Code a block comment. On the first line write: Hello. On the second line write: World! | /* Hello World! */ |
\/\*[\r\n]Hello[\r\n]World![\r\n]\*\/ | |
| Write a 1-line comment. Make up the comment. | // A comment on 1 line | \/\/.* | |
| Code an alert followed by a comment—all on a single line. Make up the alert text and the comment. | alert("Hello world!"); // Greet the user | alert\(•.*•\);\/\/.* | |
| Write two lines of text as a block comment. Make up the comment. | /* This comment refers to the code that follows */ |
\/\*[\r\n].*[\r\n].*[\r\n]\*\/ | |
| Rewrite this line of code so it doesn't execute. | let a = 1; | // let a = 1; | \/\/leta=1; |
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