switch case mdn
switch (expression) {
case value1:
//Statements executed when the
//result of expression matches value1
[break;]
case value2:
//Statements executed when the
//result of expression matches value2
[break;]
...
case valueN:
//Statements executed when the
//result of expression matches valueN
[break;]
[default:
//Statements executed when none of
//the values match the value of the expression
[break;]]
}