Which of the following is a valid JavaScript comment? var s = \"some text\"; //

Question

Which of the following is a valid JavaScript comment? var s = "some text"; // comment */ var s = "some text"; /* Which of the following is equivalent to document.forms['myForm'].contact.value? document.forms[0].contact.value myForm.contact.value All of the above None of the above JavaScript is case-sensitive False True In which of the following may JavaScript be placed? Head section Body section Both the head and body section Consider the JavaScript statement var s = 5 + “5”. What value is assigned to s? 55 10 statement is illegal and causes an error none of the above The JavaScript statement x *= (y++ % 3) is equivalent to which of the following? s = s * ((y + 1) % 3) s = s * (y +1 % 3) y = y + 1; s = s * (y % 3) s = s * (y % 3); y = y + 1 Consider the following JavaScript statements: x = 5 and y = 6. What will the expression (x == y) || (!x y) evaluate to? False True Within JavaScript, the body of a do…while loop is guaranteed to execute at least once. False True The Document Object Model provides access to every element in a document. False True Inside which XHTML element is JavaScript placed? Grade the Quiz Reset

in javascript in html

Explanation / Answer

Which of the following is a valid JavaScript comment?
*/ var s = "some text"; /*

Which of the following is equivalent to document.forms['myForm'].contact.value?
myForm.contact.value

JavaScript is case-sensitive
True

In which of the following may JavaScript be placed?
Both the head and body section

Consider the JavaScript statement var s = 5 + “5”. What value is assigned to s?
statement is illegal and causes an error

The JavaScript statement x *= (y++ % 3) is equivalent to which of the following?
s = s * ((y + 1) % 3)

Consider the following JavaScript statements: x = 5 and y = 6. What will the expression (x == y) || (!x y) evaluate to?
False

Within JavaScript, the body of a do…while loop is guaranteed to execute at least once.
True

The Document Object Model provides access to every element in a document.
True

Inside which XHTML element is JavaScript placed? Grade the Quiz Reset
in javascript in html

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