Cognizant UI Developer interview questions

Interview question was average. Your basics needs to be clear in all skills you have mentioned in your resume. 1. version of angularjs you have worked on? 2. Write a program for custom directives in angularjs. 3. why we use closure and its program ? 4. types of data types in js 5. difference between function and method 6. difference between clear and float property in css 7.One program on scopes of js 8. how to position one div in center inside another div through css.