The JavaScript switch...case statement executes different blocks of code based on the value of a given expression. Here's a simple example of the switch...case statement. You can read the rest of the tutorial fo
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switch case语句的用法 1.switch支持部分基本数据类型(primitive data types),如:byte、short、int、long、char;不支持boolean、float、double。 如图的例子: 2.支持Enum类型、String、和部分基本类型的包装类(如:Character、Byte、Short、Integer); 如图的例子: 3.break关键字可以结束switch语句,如果没有bre... ...
let value = '5'; switch (value) { case 5: console.log('Number 5'); break; case '5': console.log('String "5"'); break; default: console.log('Unknown value'); } This example shows that the string '5' doesn't match the number 5 due to strict type comparison. The switch ...
JavaScript Switch Case Statement - Learn how to use the Switch Case statement in JavaScript to simplify complex conditional statements. Explore examples and best practices.
case 3: console.log("value of i = 3"); break; default: console.log("value of i is not equal to any given values"); break; This example demonstrates how to write the day of the week from the Date.getDate() method: var my_day=new Date();switch (my_day.getDay()) { case 0...
Example ThegetDay()method returns the weekday as a number between 0 and 6. (Sunday=0, Monday=1, Tuesday=2 ..) This example uses the weekday number to calculate the weekday name: switch(newDate().getDay()) { case0: day ="Sunday"; ...
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In this switch statement example, the code will execute different statements depending on the value of the totn_technology variable. Since the totn_technology variable has been set to the string 'JavaScript', the statements associated with the case 'JavaScript': label will be executed. In this...
通过event.type与switch case组合,可以通过一个函数处理多个事件。 只有在事件处理程序执行期间,event对象才会存在;一旦事件处理程序执行完成,event对象就会被销毁。 IE 中的事件对象 DOM0 级的事件处理程序,event作为window的一个属性存在。(从 IE9 开始,event 可以从参数中获得) ...