for (initial_count_value; termination-condition; step) {
   //statements 
}

var num:number = 5; 
var i:number; 
var factorial = 1; 

for(i = num;i>=1;i--) {
   factorial *= i;
}
console.log(factorial)

//Generated by typescript 1.8.10 
var num = 5; 
var factorial = 1; 
while (num >= 1) { 
   factorial = factorial * num; 
   num--; 
} 
console.log("The factorial  is " + factorial);

120

for (var val in list) { 
   //statements 
}

var j:any; 
var n:any = "a b c" 

for(j in n) {
   console.log(n[j])  
}

//Generated by typescript 1.8.10
var j;
var n = "a b c";

for (j in n) {
   console.log(n[j]);
}

a 
b 
c