should i use else if allways in node js code example

Example 1: how to make an if statement in javascript

if(condition1) { //runs if the condition is true
  //type what you want to happen if the condition is true
}else if (condition2) {
  //type what you want to happen if the condition is true
} else { //If no condition is true it will run this
  //type what you want it to do
}

Example 2: javascript if elseif

if (condition) {

} else if (other_condition) {

} else {

}