In this tutorial you will learn how to use the switch...case statement to test or evaluate an expression with different values in JavaScript.Using the Switch...Case StatementThe switch..case statement is an alternative to the if...else if...else statement, which does almost the same thing...
JavaScript Switch Case Statement - Learn how to use the Switch Case statement in JavaScript to simplify complex conditional statements. Explore examples and best practices.
How Does Case Statement work in Java? As described above, Case in a particular Switch statement is executed when the value of the expression matches with the Case value. If none of the value matches case values, then the default statement defined in the Switch block is executed; otherwise, ...
We haven't used adefaultcase in the program above. Moreover, the value of thecountryvariable doesn't match any of the cases in theswitchstatement. In such cases, theswitchstatement is skipped entirely and the program flow goes to the line that comes after the body of theswitchstatement. W...
Learn how to perform a case sensitive sort in JavaScript with comprehensive examples and explanations.
statementsN// 当表达式的结果等于 valueN 时,则执行该代码 break; default: statements// 如果没有与表达式相同的值,则执行该代码 } switch 语句根据表达式的值,依次与 case 子句中的值进行比较: 如果两者相等,则执行其后的语句段,当遇到 break 关键字时则跳出整个 switch 语句。
JavaScript 中的 Switch/Case 语句 switch语句计算一个表达式,并根据它执行一个代码块case表达式。 consthero='Batman';letsidekick;switch(hero){case'Batman':sidekick='Robin';break;case'Aquaman':sidekick='Aqualad';break;case'Superman':sidekick='Jimmy Olsen';break;default:thrownewError('Unknown hero');...
why there are twokeywordswith the same functionality. There are some such cases where we prefer using a switch statement instead of if-else. The cleaner syntax of the switch statement makes it preferable over using long conditional expressions. Now let us study about switch case in JavaScript. ...
switch (expression) { case value1: statement1; break; case value2: statement2; break; . . case valueN: statementN; break; default: statementDefault; } JavaScript Copy解释:表达式可以是数字或字符串类型。 不允许重复的case值。 default语句是可选的。如果传递给switch的表达式与任何case中的值不匹配...
false_statement: 如果条件为假,则执行的语句。...)) AS grade FROM students; #统计修改次数,大于1次标识“修改多”,否则标识“修改少” IF(COUNT(1) > 1,'修改多','修改少') AS '修改频率', 2.CASE...语句 CASE expression WHEN value1 THEN result1 WHEN value2 THEN result2 ...ELSE result...