JS switch case 语句与 if else 语句的多分支结构类似,都可以根据不同的条件来执行不同的代码;但是与 if else 多分支结构相比,switch case 语句更加简洁和紧凑,执行效率更高。 JavaScript switch case 语句的语法格式如下: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 switch(表达式){ casevalue1: statements1...
When a break statement is present in all the cases, only the case that gets matched with the result of the expression first gets executed. When to use switch statement? As we have already discussed, the switch statement and if-else statement have similar functionality. At times there would b...
JavaScript Switch...Case StatementsIn this tutorial you will learn how to use the switch...case statement to test or evaluate an expression with different values in JavaScript.Using the Switch...Case StatementThe switch..case statement is an alternative to the if...else if...else statement,...
JavaScript Switch Case Statement - Learn how to use the Switch Case statement in JavaScript to simplify complex conditional statements. Explore examples and best practices.
switch语句分析一个表达式,将结果与case的值进行比较,然后执行与正确case值对应的语句。语法:switch (expression) { case value1: statement1; break; case value2: statement2; break; . . case valueN: statementN; break; default: statementDefault; } JavaScript Copy...
How Does Case Statement work in Java? As described above, Case in a particular Switch statement is executed when the value of the expression matches with the Case value. If none of the value matches case values, then the default statement defined in the Switch block is executed; otherwise, ...
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 for more. Example let trafficLight = "green"; let message = "" switch (...
JavaScript Switch Case Default Thedefaultstatement is executed if the switch expression output does not match with any of the given cases. In the below example we have shown this scenario: With this, we have covered the JavaScript switch statement. Althoughifelsestatements are popular and used in...
Java 14 introduces a new syntax for theswitch-casestatement. Users can add multiple values for a singlecaseby separating the comma, and users have to put the executable code in the curly braces. In this section, we’ll explore the significance of arrow syntax and demonstrate how it simplifies...
if(condition1) {//Body of if }elseif(condition2){//Body of if }elseif(condition3){//Body of if }else{//default if all conditions return false } Inswitch case, the expression in the switch statement decides which case to execute along with a break statement after each case. This all...