You want a dictionary-like data object such that you can give it the word to look up and it gives you the definition. Which of the following would create such an object and log a look-up to the console?

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);

The replacement string can include the following special replacement patterns?

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?