Podcast
Questions and Answers
What can JavaScript enable web designers to do?
What can JavaScript enable web designers to do?
- Manipulate or move text and determine the user’s screen size
- Create pop-up windows and perform mathematical calculations on data
- Read elements from documents and write new elements and text into documents (correct)
- Retrieve the current date and time from a user’s computer
Where can JavaScript be placed in a web page?
Where can JavaScript be placed in a web page?
- In the navigation bar of a page
- In the of a page (correct)
- In the footer section of a page
- In the of a page
What does the type attribute in the opening tag of
What does the type attribute in the opening tag of
- The execution time of the JavaScript code
- The visual style of the JavaScript code
- The scripting language found inside the (correct)
- The browser version that supports JavaScript
In what way can JavaScript react to events?
In what way can JavaScript react to events?
What is a requirement for JavaScript to work in a browser?
What is a requirement for JavaScript to work in a browser?
What file extension is used for external JavaScript documents?
What file extension is used for external JavaScript documents?
Which object represents the whole document in the Document Object Model (DOM)?
Which object represents the whole document in the Document Object Model (DOM)?
What does the statement document.links.href retrieve in the DOM?
What does the statement document.links.href retrieve in the DOM?
What method can be used to ensure that users have entered appropriate values in a form control using JavaScript?
What method can be used to ensure that users have entered appropriate values in a form control using JavaScript?
How can you write JavaScript to run as the page loads?
How can you write JavaScript to run as the page loads?
Flashcards are hidden until you start studying
Study Notes
- JavaScript is a programming language used in web development to manipulate HTML and add functionality to websites
- JavaScript enables web designers to make interactive elements like pop-ups, respond to user events, and perform calculations
- JavaScript scripts can be added to HTML documents within the
<script>tag. Browsers must support JavaScript and have it enabled - Scripts can be added at the beginning or end of the HTML document, or in an external .js file using the
srcattribute - Comments in JavaScript are used to add notes to the code, with the
//symbol to indicate the start of a comment - Document Object Model (DOM) is a set of rules that defines the structure of a webpage. It allows JavaScript to access and manipulate various elements in the Document
- JavaScript can access user-entered form data through the DOM and perform validation
- DOM provides a way to access and manipulate different parts of a webpage, such as links, images, and form data.
- Browsers that do not support JavaScript will display alternative content defined in the HTML document.
- The DOM is used to make the content of forms and links available for use in the script, allowing for dynamic form validation and navigation.
- JavaScript allows the creation of user interfaces, form validation, and content loading without requiring a complete page reload.
- JavaScript can interact with other technologies like CSS and XML, allowing for complex web applications.
- JavaScript can be used for creating interactive maps, animations, and games.
- JavaScript frameworks like React, Angular, and Vue.js provide additional functionality and structure for building web applications.
- JavaScript libraries like jQuery and Bootstrap provide pre-written code to simplify common web development tasks.
- JavaScript can be used for server-side programming with technologies like Node.js and Express.js.
- JavaScript provides cross-platform compatibility, allowing for the creation of web applications that can be accessed on various devices and browsers.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
