An accessible guide to mastering JavaScript conditional logic with if/else: explains conditions, boolean evaluation, execution flow, and nesting; provides clear examples (age check, grading) and a practical student enrollment workflow using prerequisites; ends with best practices (simplicity, naming, testing) and book recommendations to deepen skills.
The ternary operator is a shorthand way of writing simple if-else statements in one line, making code more concise and efficient. It consists of three parts: a condition to be evaluated, an expression to return if true, and an expression to return if false.
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