Which of the following statements are correct with regard to using javascript within the web pages?

Question:Which of the following statements are correct with regard to using javascript within the web pages?

1.It uses up the valuable space within the webpage, which should be used for placing the meaningful text for the search engines

2.Search engines cannot read Javascript

3.It is a good idea to shift the Javascript into a separate file

4.Most of the search engines are unable to read links within Javascript code

Answer:2