The following one line function will return true if str is a palindrome; otherwise, it returns false. function isPalindrome(str) { str = str.replace(/\W/g, '').toLowerCase(); return (str == str.split('').reverse().join('')); }

What's the output? (function() { var a = b = 1; })(); console.log (typeof b);

What values are assigned to x and y: var x = (0.1 + 0.2) == 0.3; var y = (0.1 + 0.1) == 0.2;

What value is assigned to x: var x = (1, 2, 3);

What's the output? Explain your answer. console.log(0.1 + 0.2); console.log(0.1 + 0.2 == 0.3);

Value of the variable `c` at the end of this script? var a = 1; var b = 2; var c = a || b;

Javascript provides the following functions to be frequently used in animation programs?

Document Properties in W3C DOM, supports all the properties available in Legacy DOM?

The following global properties return a value and they have no properties/methods?

Which will correctly check if an object is an array?

What's the output? var flg = true; console.log(flg + 1); console.log(flg + 'xyz'); console.log(flg + true); console.log(flg + false);