if elif in javascript code example

Example 1: javascript how to do if else

if (condition1) {
  //  block of code to be executed if condition1 is true
} else {
  //  block of code to be executed if the condition1 is false
}

Example 2: elif exist in js?

switch (true) {
  case condition1:
     //e.g. if (condition1 === true)
     break;
  case condition2:
     //e.g. elseif (condition2 === true)
     break;
  default:
     //e.g. else
}