Which of the following is a valid use case for window.alert() in JavaScript?
A). Displaying a personalized greeting message.
B). Creating complex data structures.
C). Handling user form submissions.
D). Animating elements on the webpage.
When should window.alert() be used in JavaScript?
A). For complex form validation.
B). For displaying important messages or notifications.
C). For manipulating DOM elements.
D). For generating random numbers.
What is the purpose of window.alert() in JavaScript?
A). To display a message in the browser console.
B). To create a new browser window.
C). To validate form input data.
D). To display a dialog box with a message and an OK button.
How does window.alert() handle the order of execution in JavaScript?
A). It executes after all other statements in the script.
B). It executes before other statements in the script.
C). It executes in parallel with other statements in the script.
D). It executes based on user interactions with the webpage.
How can you include line breaks in an alert message using window.alert()?
A). Using the <br>
tag within the message string.
B). Using special escape characters like \n.
C). By separating lines with commas.
D). By enclosing each line in double quotes.
What happens when window.alert() is executed in a JavaScript code?
A). It creates a new browser window.
B). It displays a modal dialog box with a message.
C). It opens a new tab in the browser.
D). It prints the message in the browser console.
What happens if you include HTML tags in the message parameter of window.alert()?
A). The HTML tags are rendered and displayed in the alert dialog box.
B). The HTML tags are ignored and treated as plain text.
C). The HTML tags trigger an error in the console.
D). The HTML tags are automatically escaped by the browser.
How can you include variable values in an alert message using window.alert()?
A). By concatenating variables with the message string.
B). By enclosing variables in square brackets.
C). By using special placeholder syntax like {variable}.
D). By assigning variables directly to the alert method.
What does the message parameter in window.alert() represent?
A). The title of the alert dialog box.
B). The text content displayed in the alert dialog box.
C). The duration for which the alert is displayed.
D). The URL to navigate when the alert is dismissed.
How does window.alert() impact user interaction on a webpage?
A). It enhances user experience by providing interactive elements.
B). It disrupts user experience by interrupting the flow of the page.
C). It has no impact on user interaction.
D). It improves page performance by optimizing script execution.