loops in javascript

Is it poosible to create a loop in javascript and if so how do you do this. Thanks.

what do you mean by loop?

the while statement:
while( condition ) statement

the do..while statement:
do statement while( condition )

the for statement:
for( initial expression; condition; loop expression ) statement

the for..in statement:
for( variable in object reference) statement


See some document like <http://devedge.netscape.com/library/manuals/2000/javascript/1.5/reference/stmt.html#1003191> or <http://www.comptechdoc.org/independent/web/cgi/javamanual/javaloops.html>