JS-Part 07: Conditional statement switch in JavaScript | How to use switch condition in JavaScript?
#JavaScript #switch #switchCondition #javascripttutorial
+What is switch?
+Conditional statement switch in JavaScript?
+How to use switch condition in JavaScript?
======================================================
The switch is a conditional statement like if statement. Switch is useful when you want to execute one of the multiple code blocks based on the return value of a specified expression.
Syntax :
switch(expression) {
case 1:
// code block to be executed
break;
case 2:
// code block to be executed
break;
case n:
// code block to be executed
break;
default:
// code block to be executed if none of the above case executed
}
This is how it works:
• The switch expression is evaluated once & will have returned value.
• The value of the expression is compared with the values of each case.
• If there is a match, the associated block of code is executed.
• If there is no match, the default code block is executed.
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