Learn JavaScript from Scratch JavaScript for Everyone - Getting Your Hands Dirty

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Information Technology (IT), Architecture, Social Studies, Other
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University
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of using CodePen as mentioned in the tutorial?
To write and test JavaScript code along with HTML and CSS.
To create complex server-side applications.
To design graphics and animations.
To manage databases and backend services.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of the alert command in JavaScript?
To log messages to the console.
To style HTML elements.
To connect to a database.
To display a message box to the user.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true about semicolons in JavaScript?
They are mandatory at the end of every line.
They are optional but recommended for clarity.
They are used to comment out code.
They are used to declare variables.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of console.log in JavaScript?
To create a new HTML element.
To display messages in a pop-up alert.
To connect to an external API.
To log messages to the console for debugging.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you clear the console in a browser?
By closing and reopening the browser.
By pressing Control L or Command K.
By using the clear() function.
By refreshing the page.
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