带有正则表达式的Javascript inoperant Switch Case 正则表达式是一种用于匹配字符串的模式,可以用于搜索、替换等操作。在JavaScript中,可以使用RegExp对象来创建正则表达式。 在JavaScript中,可以使用正则表达式作为switch case的条件,以下是一个示例代码: 代码语言:javascript 复制 const str = "h
Examples demonstrating Switch case in JavaScript 1st Example: In the first example, we find the remark associated with a particular grade. The code is used in a school system to find out the correct remark for a particular grade in the range from ‘a’ to ‘f’, any other letter is not...
Switch case and if-else offer two different approaches to writing conditional statements in JavaScript. Here’s how to determine which one to use.
Examples a. Using basic syntax of switch const month = 'may'; switch (thing) { case 'january': console.log('January has 31 days.'); break; case 'june': console.log('May has 30 days.'); break; case 'june': console.log('June has 31 days.'); break; default: console.log(`Sorr...
You have to use logical OR, AND operator in switch case to use multiple values in JavaScript. Here is OR condition, anyone true will execute
确保你不会忘记break块末尾的语句,如果你不放一个break结尾的声明case块,JavaScript 将失败到下一个case. consthero='Batman';letsidekick;switch(hero){case'Batman':sidekick='Robin';// Unless there's a `break`, JavaScript will execute the next// `case` block.// break;case'Aquaman':sidekick='Aqu...
In the C# Switch article I demonstrated how you could match value types to trigger a statement. You can do the same in JavaScript. var testObj = {};switch (typeof testObj){case "object": //do object processingcase "string": //do string processingcase "integer": //do integer processin...
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The JavaScript switch statement executes different blocks of code based on the value of a given expression. In this tutorial, you will learn about the JavaScript switch statement with the help of examples.
The below examples clearly show how the Case statement work in Java. Example #1 When the value of the Switch expression is matched with a Case value Code: public class MyClass { public static void main(String args[]) { int value = 8; ...