JavaScript中的Switch语句是一种条件语句,用于根据不同的条件执行不同的代码块。它可以替代多个if语句,使代码更加简洁和可读性更强。 Switch语句的基本语法如下: 代码语言:txt 复制 switch (expression) { case value1: // 当expression等于value1时执行的代码块 break; case value2: // 当expression等于value2时...
switch-case语句的一般表达形式为： switch〈选择判断量〉 Case 选择判断值1 选择判断语句1 case 选择判...
); break; case 0: alert("Today is Sunday."); }Multiple Cases Sharing Same ActionEach case value must be unique within a switch statement. However, different cases don't need to have a unique action. Several cases can share the same action, as shown here:...
For example, case 2: console.log("Monday"); break; The break statement terminates the execution of switch-case once a matching case has been found. Without break, the program would continue executing subsequent cases even after finding a match. For example, let fruit = "banana"; switch (...
Methods for multi-criteria case Source for this technique is here: Switch statement multiple cases in JavaScript (Stack Overflow) Multi-case - single operation This method takes advantage of the fact that if there is no break below a case statement it will continue to execute the next case sta...
switch(newDate().getDay()) { case4: case5: text ="Soon it is Weekend"; break; case0: case6: text ="It is Weekend"; break; default: text ="Looking forward to the Weekend"; } Try it Yourself » Switching Details If multiple cases matches a case value, thefirstcase is selected...
JavaScript Switch With Multiple Cases and Same Code There are many cases where a range is not the right solution, but you need to apply the same execution to multuiple values. This is where the switch statement can be very handy.
case 'potato': default: console.log('This is not a fruit.'); } When you run the above-written code, you will get the output as shown below: >“This is a fruit.” Like an example shown above, we can use the switch statement for multiple cases making our work easier. ...
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This is not a design error per se, but a desirable thing in certain scenarios when we want multiple cases to give the exact same outcome. We'll see the exact details of this in the chapter JavaScript Conditions — The switch Statement. For now, you should stick to using break at the ...