1. To know the identifier of the user’s OS, we use ______?
2. Which of the following functions of “Number” object returns a string of the current number?
3. Which of the following functions of “String” object divides a String object into an array of strings by separating the string into substrings?
4. Which of the following functions sorts the elements of an array?
A when another event is still being processed
C when the page uses CSS styles
D when it runs locally rather than on the Web
A Browser V1.0
B Mozilla V1.5
C IE 2.0
D Browser v2.0
A Increase end-user satisfaction
B Increase the validity of form submission
C Conservation of bandwidth
D All the answers are true