A Set of JavaScript Multiple-choice Questions Has P3 Answers

This article examines A Set of JavaScript Multiple-choice Questions Has P3 Answers. It presents the main facts, practical implications, and key points in a clearer, easier-to-follow format.

Understanding A Set of JavaScript Multiple-choice Questions Has P3 Answers

• Question 1. What is the prompt function (.) in JavaScript used for?
  • Displays information for entering information.
  • Display a message Yes, No
  • There is no right option
  • Both forms above
• Question 2. In JavaScript what does parseInt () function do?
  • Convert a string into numbers
  • Convert a string to a real number
  • Convert an integer into a string
  • Convert a string to an integer
• Question 3. Perform the test if the variable 'i' is not equal to 5, which statement is correct?
  • if (i! = 5)
  • if i <> 5
  • if i =! 5 then
  • if (i <> 5)
• Question 4. Which of the following IF statements is correct?
  • if (i == 5)
  • if i == 5 then
  • if i = 5 then
  • if i = 5
• Question 5. Which JavaScript statement is correct to make changes in the HTML element below?

  Website TipsMake.com.

  • document.getElementById ("demo"). innerHTML = "Welcome to TipsMake.com!";
  • # demo.innerHTML = "Welcome to TipsMake.com!";
  • document.getElement ("p"). innerHTML = "Welcome to TipsMake.com!";
  • document.getElementByName ("p"). innerHTML = "Welcome to TipsMake.com!";
• Question 6.
  • When running, open a new window to call TipsMake.com.
  • Can't run because it's wrong
  • When finished, another site appears
  • There is only one TipsMake.com page
• Question 7. Are there any ways to write JavaScript code to run in a web page?
  • Both forms of writing separate files or writing in HTML pages.
  • Write together with HTML
  • Write on a separate file
  • Not in any form
• Question 8. When does the OnMouseOver JavaScript event happen?
  • When an object in form loses focus
  • When moving the mouse over an object in the form.
  • When you select your mouse on the command button.
  • When an object in the form receives focus.
• Question 9. In when JavaScript Onclick event occurs when?
  • When an object in the form receives focus.
  • When an object in form loses focus
  • When clicking on an object in the form
  • When clicking the command button
• Question 10. Is JavaScript a scripting language that can hide the source code?
  • Unable to hide because of client-side scripts.
  • Hide because the program works independently of the browser.
  • These two statements are wrong