JavaScript Foundations for Blockchain Programming

Run a JavaScript file with Node.js and interpret console output and runtime errors.

Declare variables with let and const and select appropriate primitive data types.

Write conditional logic with comparison, logical, and equality operators.

Use for and while loops to process a defined sequence of values.

Define and call functions with parameters, return values, and local scope.

Transform arrays using iteration, map, filter, and reduce.

Create, read, update, and destructure JavaScript objects.