Possible Duplicate:
Best way to break from nested loops in Javascript?
Is using labels to break loops, a good practice in javascript? Mention if it has any pros and cons
Ex:
var i, j;
outer:
for(i in [0,1,2,3]) {
inner:
for(j in [0,1,2,3]) {
if(j == 1) {
break outer;
}
}
console.log("inner")
}
console.log("outer");