Web Reference: Sample code and examples: http://codemahal.com/video/switch-statements-in-javascript/ It is not necessary to break the last case. The switch ends (breaks) there anyway. The break keyword is crucial for preventing a "fall-through." Without break, the code will continue to execute the next case blocks (and the default block if present) even if their values do not match the expression. Jul 8, 2025 · A switch statement first evaluates its expression. It then looks for the first case clause whose expression evaluates to the same value as the result of the input expression (using the strict equality comparison) and transfers control to that clause, executing all statements following that clause.
YouTube Excerpt: Sample code and examples: http://codemahal.com/video/
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