JAVASCRIPT 2026/2027 STUDY GUIDE QUESTIONS AND
SOLUTIONS RATED A+
✔✔a letter,
the underscore ( _ ), or
the dollar sign ( $ ) - ✔✔What must variable names begin with?
✔✔unique - ✔✔Is these variables the same or unique?
var Result
var result
var RESULT
✔✔navigator - ✔✔Which object allows you to determine information about the user's
browser?
✔✔navigator.appName - ✔✔Which property returns a string value indicating the name
of the client browser?
✔✔navigator.appVersion - ✔✔Which property returns a string value indicating the
version number of the client browser, as well as the client's platform?
✔✔0 - ✔✔What is the value of myVar after execution?
function counter(x) {
return x + 1;
}
var myVar = 0;
counter(myVar);
alert(myVar);
✔✔The total is 1.03 - ✔✔What will the alert box display?
var subTotal = 1;
var tax = 0.03;
alert("The total is " + subTotal * (1 + tax));
✔✔ toUpperCase() - ✔✔Which method convert a string value to uppercase letters?
✔✔abort - ✔✔Which event occurs when the loading of an image is terminated?
✔✔blur - ✔✔Which event occurs when a user clicks the mouse button outside of a
particular input field?
, ✔✔click - ✔✔Which event occurs when the user clicks on a link or form element?
✔✔change - ✔✔Which event occurs when a user modifies the value of a form field?
✔✔error - ✔✔Which event occurs when there is a problem loading an external image or
resource?
✔✔focus - ✔✔Which event occurs when a user clicks into a form field?
✔✔load - ✔✔Which event occurs when a page is opened?
✔✔mouseOver - ✔✔Which event occurs when the user moves the mouse pointer over
a link, image or other visible element on a page?
✔✔mouseOut - ✔✔Which event occurs when the mouse pointer leaves a link, image or
other visible element on a page?
✔✔reset - ✔✔Which event occurs when a form's Reset button is clicked?
✔✔select - ✔✔Which event occurs when the user highlights the text in a form field?
✔✔submit - ✔✔Which event occurs when a form's Submit button is clicked?
✔✔unload - ✔✔Which event occurs when a page closed?
✔✔properties - ✔✔What are attributes of an object, such as height, color, font size,
sentence length and so forth?
✔✔methods - ✔✔What are actions that an object can be made to perform?
✔✔alert() - ✔✔Which method creates a pop-up box with the specified message string,
which the user can dismiss by clicking a button in the box?
✔✔prompt() - ✔✔Which method creates a pop-up box with the specified message string
and requests user input into a text field in the box?
✔✔confirm() - ✔✔Which method creates a pop-up box with the specified message
string and requests user confirmation by clicking the OK or Cancel button in the box?
✔✔document.write() - ✔✔Which method writes the specified message string in the
page?
✔✔variable - ✔✔What is a named space of memory?
SOLUTIONS RATED A+
✔✔a letter,
the underscore ( _ ), or
the dollar sign ( $ ) - ✔✔What must variable names begin with?
✔✔unique - ✔✔Is these variables the same or unique?
var Result
var result
var RESULT
✔✔navigator - ✔✔Which object allows you to determine information about the user's
browser?
✔✔navigator.appName - ✔✔Which property returns a string value indicating the name
of the client browser?
✔✔navigator.appVersion - ✔✔Which property returns a string value indicating the
version number of the client browser, as well as the client's platform?
✔✔0 - ✔✔What is the value of myVar after execution?
function counter(x) {
return x + 1;
}
var myVar = 0;
counter(myVar);
alert(myVar);
✔✔The total is 1.03 - ✔✔What will the alert box display?
var subTotal = 1;
var tax = 0.03;
alert("The total is " + subTotal * (1 + tax));
✔✔ toUpperCase() - ✔✔Which method convert a string value to uppercase letters?
✔✔abort - ✔✔Which event occurs when the loading of an image is terminated?
✔✔blur - ✔✔Which event occurs when a user clicks the mouse button outside of a
particular input field?
, ✔✔click - ✔✔Which event occurs when the user clicks on a link or form element?
✔✔change - ✔✔Which event occurs when a user modifies the value of a form field?
✔✔error - ✔✔Which event occurs when there is a problem loading an external image or
resource?
✔✔focus - ✔✔Which event occurs when a user clicks into a form field?
✔✔load - ✔✔Which event occurs when a page is opened?
✔✔mouseOver - ✔✔Which event occurs when the user moves the mouse pointer over
a link, image or other visible element on a page?
✔✔mouseOut - ✔✔Which event occurs when the mouse pointer leaves a link, image or
other visible element on a page?
✔✔reset - ✔✔Which event occurs when a form's Reset button is clicked?
✔✔select - ✔✔Which event occurs when the user highlights the text in a form field?
✔✔submit - ✔✔Which event occurs when a form's Submit button is clicked?
✔✔unload - ✔✔Which event occurs when a page closed?
✔✔properties - ✔✔What are attributes of an object, such as height, color, font size,
sentence length and so forth?
✔✔methods - ✔✔What are actions that an object can be made to perform?
✔✔alert() - ✔✔Which method creates a pop-up box with the specified message string,
which the user can dismiss by clicking a button in the box?
✔✔prompt() - ✔✔Which method creates a pop-up box with the specified message string
and requests user input into a text field in the box?
✔✔confirm() - ✔✔Which method creates a pop-up box with the specified message
string and requests user confirmation by clicking the OK or Cancel button in the box?
✔✔document.write() - ✔✔Which method writes the specified message string in the
page?
✔✔variable - ✔✔What is a named space of memory?
