/** @unexpose */
static Object _loop(final Scope s, final JSFunction f, final int start, final int end) {
Object blah = s.getParent().getThis();
s.setThis(blah);
Boolean old = f.setUsePassedInScopeTL(true);
for (int i = start; i < end; i++) f.call(s, i);
f.setUsePassedInScopeTL(old);
s.clearThisNormal(null);
return null;
}
