how does an else if statement work 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: how does an if statement work

//simpple reapet code


draw = function() {
var d = 11
if(d > 10) {
ellipse(200,200,200,200);
} 

}
//ellipse apiers