JavaScript Essentials 1 – JSE1: Module 1 Test Answers
1. Using JavaScript, we want to display the word “test” in the console. What statement do we use to do this?
- console (log, “test”);
- log(“test”);
- console(“test”);
- console.log(“test”);
2. The basic toolkit needed to effectively develop JavaScript code consists of two elements:
- interpreter, debugger.
- code editor, debugger.
- interpreter, package manager.
- code editor, interpreter.
3. The TypeScript language is:
- a variant of JavaScript that is compiled rather than interpreted.
- the original name for JavaScript, which has been changed over time.
- a new language based on JavaScript which, among other things, introduces static typing.
- an alternative name for JavaScript.
4. The <html> tag indicates the start of the actual HTML document. What tag should appear at the end of the document?
- <html/>
- </html>
- <lmth>
- <html>
5. Where will we definitely not be able to execute JavaScript code?
- In a web browser.
- In a server environment using node.js.
- On a mobile device.
- Directly in the processor.
6. What HTML tag is used to indicate that we are embedding JavaScript code?
- <source>
- <script>
- <js>
- <execute>
7. What is not the task of the interpreter?
- Creating a runtime environment for the program.
- Transforming the individual commands of the source code into the target form.
- Transforming all program code into target code before execution.
- Verifying the correctness of the program source code (syntax).
8. In the browser, we type into the address bar a string starting with file:///. This means that:
- we want the browser to create an empty page for us with the name we give as a continuation of the string.
- the rest of the string is the path to the file on our local computer that we want to open in the browser.
- we want to save the page as a local file.
- we do not want to open the page, but only download a file from the remote address and save it on the local machine.
9. In a browser, we want to open a local file by typing the path to it in the address bar. The path must be preceded by:
- http://
- local:///
- https://
- file:///
10. A client-side JavaScript program:
- should be embedded inside an HTML document.
- may be embedded inside an HTML document or run standalone in the browser.
- runs directly in a web browser and can contain an HTML document inside it.
- requires server support to run.
11. HTML is:
- a language for describing the structure of a web page.
- a scripting language to support mathematical calculations.
- one of the data-compression formats.
- a network protocol.
12. The JavaScript code includes the console.log(“http://test.org”); command. Its execution will:
- send a log with information about the currently executed script to the indicated address http://test.org.
- display the following message on the console: “http://test.org”.
- cause the page http://test.org to be loaded into the browser.
- display on the console information about the progress of http://test.org page loading.
13. What tag do we use in HTML to denote the main part of the document inside which we define the page elements?
- <head>
- <main>
- <body>
- <content>
14. Entering about:blank in the address bar of your browser will:
- generate and load a minimal blank HTML page into the current tab.
- open a tab with information about your browser.
- reset the browser to its default settings.
- generate a page with information about the browser’s status and send it to the developer.