Just JavaScript

JavaScript supports conditionals, loops and statements like other high-level languages. JavaScript supports familiar constructs including:

• if, if/else conditionals
• switch statements
• conditional (ternary) operator
• for, while and do..while loops
• try…catch, finally
• arrays
• functions/methods
• iterating an array using for … of

// iterating through an array
for (let yr of years) {
     console.log(yr);
}

// functionally equivalent
for (let i = 0; i < years.length; i++) {
     let yr = years[i];
     console.log(yr);
}