For an array stored in the variable customers whose highest index value is 34, the customers.length property will return the value _____.
Which JavaScript expression references the tenth element in…
Which JavaScript expression references the tenth element in an HTML document with the “menuChoice” name attribute?
What belongs in the blanks if you want to ensure that the co…
What belongs in the blanks if you want to ensure that the command block executes at least once, but from that point onward the loop stops when the loop counter’s value exceeds 1000? Assume that an integer input by the user has been assigned to the variable myNumber. let i = myNumber; _____ document.write(i + “”); i *= 2; _____ document.write(“Let’s stop multiplying by 2 now!”);
Imagine you want to write JavaScript code to display a custo…
Imagine you want to write JavaScript code to display a customized message depending on the value of the dessert variable. Which series of words belongs in the blanks (one word per blank)? _____ (dessert) { _____ “Ice cream”: alert(“We all scream for ice cream!”); break; _____ “Apple pie”: alert(“Full of baked cinnamon-sweet fruit!”); break; _____ “Brownies”: alert(“A rich and gooey chocolate treat!”); break; _____ alert(dessert + ” is always an excellent choice!”); }
When writing a for loop, you can use an if statement within…
When writing a for loop, you can use an if statement within the loop to check whether the value for an iteration is undefined and, if so, execute a break statement to continue the loop to the next iteration at that point.
Suppose you would like to reference the third image from an…
Suppose you would like to reference the third image from an HTML document, which has the tag , in your JavaScript code. Which expression should you use?
If you have nested an if block within a for loop beginning f…
If you have nested an if block within a for loop beginning for (let i = 0; i < myArray.length; i++) then the program execution will continue to the next statement after the for loop as soon as the condition in the if statement is met, whether or not you use a break statement.
Convert the Binary Number below to Decimal. 01110000
Convert the Binary Number below to Decimal. 01110000
You can use the following JavaScript code to add a browser t…
You can use the following JavaScript code to add a browser test for the find() method that will execute the if branch to locate an element in the invoices array if this method is supported by the user’s web browser, but move on to the else branch if the method is not supported: if (invoices.find) { let firstOverdue = invoices.find(overdue); } else { //alternate code in place of the find() method
The following JavaScript code will display the message “You…
The following JavaScript code will display the message “You can vote!” if the age variable’s value is 40, but will display “When you are 18, you can vote!” if the age variable’s value is 4. if (age >= 18) { window.alert(“You can vote!”); } else { window.alert(“When you are 18, you can vote!”); }