3.1 Count by M created by smillaraaq - https://repl.it/GxOg/4

3.1 Count by M.js

function count(n,m,direction){
  //n is limit
  //m is interval
  //direction up or down
  
  if(direction==="up"){
    for(var i=m; i<=n; i+=m){
      console.log(i);
    }
  }else{
    for(var i=n; i>=0; i-=m){
      console.log(i);
    }
  }
}
//count(11,3,"down");

function countWhile(n,m,direction){
  //n is limit
  //m is interval
  //direction up or down
  //debugger;
  if(direction==="up"){
    var output=0;
    while(output < n){
      output+=m;
      console.log(output);
    }
  }else{
    var output=n;
    while(output >= 0){
      console.log(output);
      output-=m;
    }
  }
}
countWhile(11,3,"down");