Coding Quiz Zone

var scope = "js scope";
function checkscope() 
{
    var scope = "javascript scope"; 
    function f() 
    { 
         return scope; 
    }
    return f;
}

var quiz=[1,2,3];  
var js=[6,7,8];  
var result=quiz.concat(js);  
document.writeln(result);

function range(int javascript)
{
  int a=5;
  for(int i=0;i<javascript;i++)
  {
    console.log(a);
  } 
}
range(3);

function range(int javascript)
{
  int a=5;
  for(int i=0;i<javascript;i++)
  {
    console.log(a);
  } 
}

var js = 0;
while (js < 10) 
{
     console.log(js);
     js++;
}

function printArray(a) 
{
     var len = a.length, i = 0;
     if (len == 0)
        console.log("Empty Array");
     else 
     {
// do-while loop in javascript
         do 
         {
             console.log(a[i]);
         } while (++i < len);
     }
}