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...
JavaScript switch case语句JavaScript switch case语句在我们之前的文章中,我们已经学习了如何在JavaScript中使用if-else语句进行决策。我们已经看到,我们可以使用if-else语句基于特定条件执行某些任务,如果条件为真,执行任务A,如果条件为假,执行任务B。在JavaScript中,switch case语句也用于决策目的。在某些情况下,使用...
it evaluates the first case in the list of cases written in the code to the result of the expression given as an input. The associated code of the case that gets matched continues to execute. It continues to evaluate all the cases until the case gets matched with the result of the...
JavaScript will execute the next// `case` block.// break;case'Aquaman':sidekick='Aqualad';break;case'Superman':sidekick='Jimmy Olsen';break;default:thrownewError('Unknown hero');}// JavaScript executed both the 'Batman' and 'Aquaman' blocks,// so you get the wrong...
Switch case and if-else offer two different approaches to writing conditional statements in JavaScript. Here’s how to determine which one to use.
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 c...
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
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...
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.
case 'secondColour': return 'orange'; break; case 'thirdColour': return 'green'; default: return 'error'; } } let myColour = colorMix('red', 'blue'); console.log(`Colour created is ${myColour}`) 我不知道如何使用switch语句来识别我引入的颜色。有什么想法吗?谢谢 ...