Thursday , December 7 2023

JSE1: Module 1 Test Answers (JavaScript Essentials 1)

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(“”); command. Its execution will:

  • send a log with information about the currently executed script to the indicated address
  • display the following message on the console: “”.
  • cause the page to be loaded into the browser.
  • display on the console information about the progress of 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.

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