TLE Q3 M4

It determines the accessibility and visibility of variables in your code.

• Expression

• VAR

• Scope

• Value

Before ES215, there are only two types of scope. Which of the following are the two types?

• Global Scope and Local Scope

• Function Scope and Block Scope

• Block Scope and Local Scope

• Global Scope and Function Scope

TRUE or FALSE? Variables declared with the var keyword can have Block Scope.

• TRUE

• FALSE

The main difference between let and var is that scope of a variable defined with var is limited to the block in which it is declared while variable declared with let has the global scope.

• TRUE

• FALSE

Variables declared with

the _ keyword can have Block Scope.

• const

• var

• let

• none of the above

The _ variable declared in the loop redeclares the variable

outside the loop.

• let

• var

• const

• the * sign

___ variables defined with the var keyword

belong to the window object.

• Global

• Local

• Loop

• Block

Before ES2015 JavaScript have Block Scope already.

• TRUE

• FALSE

Variables declared within a JavaScript function, become LOCAL to the function.

Local variables have?

• Block Scope

• Global variables

• Function Scope

• Loop variables

Identify if the syntax below is Allowed or Not Allowed:

let x = 6;

[

let x = 7;

]

[

let x = 8;

]

• NOT ALLOWED

• ALLOWED