switch 语句是 JavaScript 的"条件"语句的一部分,用于根据不同的条件执行不同的操作。使用 switch 选择要执行的许多代码块之一。这是长的嵌套 if/else 语句的完美解决方案。switch 语句计算表达式。然后将表达式的值与结构中每个 case 的值进行比较。如果匹配,则执行关联的代码块。switch 语句通常与 break
When JavaScript reaches abreakkeyword, it breaks out of the switch block. This will stop the execution inside the switch block. It is not necessary to break the last case in a switch block. The block breaks (ends) there anyway. Note ...
Thebreakanddefaultkeywords will be described later in this chapter The example below uses the weekday number to calculate the weekday name: Example intday=4;switch(day){case1:Console.WriteLine("Monday");break;case2:Console.WriteLine("Tuesday");break;case3:Console.WriteLine("Wednesday");break;...
To build apps though you need a working knowledge of HTML, CSS and some JavaScript. Read the chapters, do code exercises and take quizzes at the end.- https://www.w3schools.com/html/- https://www.w3schools.com/css/- https://www.w3school...
case 1: echo "Number 1"; break; case 2: echo "Number 2"; break; case 3: echo "Number 3"; break; default: echo "No number between 1 and 3"; } ?> W3Schools' Online Certification Program is the perfect solution for busy professionals who need to balance work, family, and career...
Duplicate: Switch the case of a variable that is greater or less than Using Greater Than Operator in Switch Case Statement What is the switch statement for greater than/less than stack overflow? What is a switch statement in JavaScript?
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
Theswitchstatement in Go is similar to the ones in C, C++, Java, JavaScript, and PHP. The difference is that it only runs the matched case so it does not need abreakstatement. Single-Case switch Syntax Syntax switchexpression{ casex: ...
Thebreakanddefaultkeywords are optional, and will be described later in this chapter The example below uses the weekday number to calculate the weekday name: Example intday =4; switch(day) { case1: cout <<"Monday"; break; case2: