JavaScript in 30 words
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JavaScript Conditional (Ternary) Operator Explained Simply

The condition is evaluated as a boolean. If the condition is true it returns the first expression, else it returns the second condition.

function progressMessage(completed, total) {
  return completed === total ? "All done!" : "Keep learning";
}

console.log(progressMessage(3, 5));
console.log(progressMessage(5, 5));

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