how to print a line in javascript

1// Use "\n"
2document.write("\n");
3console.log("\n\n");

1console.log("Your line would be here")//Prints a line on the console 
2alert("Your message here")//Raises an alert

1var s = "";
2for(var i = 1; i < 11; i += 1) {
3  s += i + " ";
4}
5console.log(s);