What is the correct syntax to declare a variable in JavaScript?var myVariable;variable myVariable;Both a and clet myVariable;

Break Down the Problem

1. Identify the options available: We have three options for declaring a variable in JavaScript.
2. Understand the syntax for variable declaration: Familiarize with common ways to declare variables in JavaScript.

Relevant Concepts

1. JavaScript Variable Declaration:
   • var: Used to declare a variable that can be re-assigned.
   • let: Introduced with ES6, used for block-scoped variables.
   • const: Used to declare variables that cannot be re-assigned.

Analysis and Detail

1. Evaluate Each Option:
   • Option A: var myVariable;
     • This is a correct way to declare a variable using var.
   • Option B: variable myVariable;
     • This is incorrect syntax as JavaScript does not use the keyword variable.
   • Option C: let myVariable;
     • This is another correct way to declare a variable using let.

Verify and Summarize

• The options A (var myVariable;) and C (let myVariable;) are syntactically correct for declaring a variable.
• Option B is incorrect.

Final Answer

The correct syntax to declare a variable in JavaScript is var myVariable; or let myVariable;. Therefore, the options that are correct are A and C.