Ignore the Symbol type, bitwise operators.
- How do you write a script in strict mode?
- How do you limit the scope of a variable to a function?
- How do you limit the scope of a variable to a block?
- What value does a variable have if it is declared but not initialized?
- How do you make a variable global?
- When a global variable is declared which object is it attached to?
- How do you declare a constant?
- What are the 6 primitive types?
- What is the name of the single complex data type?
- What is an Object datatype?
- What does the typeof operator evaluate to?
- What does the following expression indicate? let x = null;
- What are the Boolean values?
- What does the Boolean() function do?
- What is the Boolean value of “”, 0, null, and undefined?
- Why should you never test for specific floating point values?
- What property defines the largest and smallest integers?
- What does isFinite() return?
- What does NaN stand for?
- What are parseInt() and parseFloat() used for?
- What are the rules for the Number function?
© 2020, Eric. All rights reserved.