Which of these options is the most maintainable way to attach JavaScript functionality to an HTML element?

Which will return all HTTP headers?

Top most object in the object hierarchy?

Which is true about setTimeOut()?

What does the + sign in front of a function name mean in JavaScript?

Which is not a valid Date Object method in JavaScript?

Which statement is true?

Which property contains user agent string of web browser?

Which statement defines a regular expression?

Value of C in given code? function a(version) {   this.version = version; } a.prototype.version = '1.8'; var b = new a('1.8.1'); delete b.version; var c = b.version;

Result of C given code? var a = '1'; b = 2 * a; c = typeof(b);