How to use the if statement this code example

Example 1: IF STATEMENT WHAT IS IT

if (X < 10) {
 print "Hello John";
}

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