Example The following is example using the switch statement in JavaScript: // Set the TechOnTheNet technology to JavaScript var totn_technology = 'JavaScript'; switch (totn_technology) { case 'SQL': console.log('TechOnTheNet SQL'); break; case 'JavaScript': console.log('TechOnTheNet ...
Note:If you omit the break statement, the next case will be executed even if the evaluation does not match the case. The default Keyword Thedefaultkeyword specifies the code to run if there is no case match: Example ThegetDay()method returns the weekday as a number between 0 and 6. ...
In such cases, theswitchstatement is skipped entirely and the program flow goes to the line that comes after the body of theswitchstatement. What happens when we use a switch statement without break? So far, we have used abreakstatement inside eachcaseblock. For example, case2:console.log(...
statements: Group of statements that are executed once if the expression matches the label. Example: In the following example, switch statement is used to display the marks range against a particular grade. HTML Code <!DOCTYPE html> JavaScript Switch statement : Example-1 JavaScript : s...
The switch statement is used to perform different actions based on different conditions.The JavaScript Switch StatementUse the switch statement to select one of many blocks of code to be executed.Syntaxswitch(expression) { case n: code block break; case n: code block break; default: default ...
Let’s make a working example of aswitchstatement following the syntax above. In this code block, we will find the current day of the week with thenew Date()method, andgetDay()to print a number corresponding to the current day.0stands for Sunday, all the way through6which stands for ...
If the default clause appears at the end of the switch statement, then there's no need to add break to the default clause, as there are no clauses after the default clause and the code cannot fall-through. For example: const expression = 'non-existent'; switch (expression) { ...
Example Consider a case if you do not use break statement: <!— var grade=’A’; document.write(“Entering switch block”); switch(grade) { Case ‘A’ :document.write(“Good job ”); Case ‘B’ :document.write(“Pretty good ”);...
js switch语句 with 语句的用途是将代码作用域设置为特定的对象,其语法是: with (expression) statement; 1. 使用with 语句的主要场景是针对一个对象反复操作,这时候将代码作用域设置为该对象能提供便 利,如下面的例子所示: let qs = location.search.substring(1);...
C++ Switch Statements Use theswitchstatement to select one of many code blocks to be executed. Syntax switch(expression) { casex: // code block break; casey: // code block break; default: // code block } This is how it works: Theswitchexpression is evaluated once...