Q3 TLE M4

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

• JavaScript

• Scope

• Function

• Variables

These variables are declared outside any function and can be accessed anywhere in JavaScript.

• Function

• Global Scope

• Function Scope

• Scope

It is anything between { }, an area within if, switch conditions or for and while loops, which means that those variables exist only within the corresponding block.

• Block Scope

• Global Scope

• Function Scope

• Scope

A ______ is a set of statements that perform tasks and returns a value.

• Function

• Global Scope

• Function Scope

• Scope

Variables declared with var and let are quite similar when declared inside a function. They will both have _____

• Function

• Global Scope

• Function Scope

• Scope

Variables declared with the var keyword cannot have Block Scope

• True

• False

Redeclaring a JavaScript variable with var is NOT allowed anywhere in a program.

• True

• False

Redeclaring let variable with var, in the same scope, or in the same block, is allowed.

• True

• False

Redeclaring a variable with let in another scope or another block is allowed

• True

• False

Redeclaring a variable using the var keyword can impose problems.

• True

• False