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19 de feb. de 2021 · Why I prefer objects over switch statements. switch 和 if 在各情況下的效能比較 . Switch statement for greater-than/less-than @ StackOverflow ...
23 de ago. de 2016 · No, the switch doesn't have a return value. What you see in the console is the return value of the statement inside the switch containing only a string literal value. A statement can have a return value. An assignment for example has the assigned value as return value, and post-incrementing a value returns the result after incrementing:
12 de nov. de 2023 · The switch statement evaluates an expression, matching the expression's value against a series of case clauses, and executes statements after the first case clause with a matching value, until a break statement is encountered. The default clause of a switch statement will be jumped to if no case matches the expression's value.
Master the switch statement: A more organized and concise alternative to using multiple if-else statements. Mastering the JavaScript switch Statement — SitePoint Premium Forum Pricing
expression. Una expresión cuyo resultado se compara con cada cláusula case.. case caseExpressionNOptional. Una cláusula case utilizada para coincidir con expression.Si el valor de expression coincide con el valor de cualquier caseExpressionN, la ejecución comienza desde la primera instrucción después de esa cláusula case hasta el final de la instrucción switch o el primer break encontrado.
The tests in 2012 where performed on Windows 7 32bit with the folowing versions: Chrome 21.0.1180.89m, Firefox 15.0, Opera 12.02, MSIE 9.0.8112, Safari 5.1.7.Node was run on a Linux 64bit box because the timer resolution on Node for Windows was 10ms instead of 1ms.
25 de nov. de 2019 · A switch statement is usually more efficient than a set of nested ifs. When you have to choose which one to use, it’s based on readability and the expression that the statement is testing.
