What is the meaning of obfuscation in JavaScript?

Which JavaScript Regular Expression object method is used to search a string for a specified value and return the result as or false?

Which code prints false?

Are the two statements below interchangeable? Object.property Object [‘property’]

Which best describes void?

Which statement regarding JSON is incorrect?

var a = 11 + ''11''; var b = a + 22; var c = a + b; c = ?

How do you check if a variable todos is an Array?

What does document.createElement do?

What is the significance, and benefits, of including 'use strict' at the beginning of a JavaScript source file?

What's the output? var fruits = ['Banana', 'Orange', 'Apple', 'Mango']; fruits.shift();