10.跳转语句 break、continue
<![CDATA[
<script type="text/javascript">
document.write('<span>break,跳出并终止循环</span><br>');
for(var i=0;i<10;i++){
if (i==5){
document.write('此处break中断<br>');
break;
}
document.write(i+'<br>');
};
document.write('<hr><span>continue,跳出当前循环，如循环未结束则继续下一个循环</span><br>');
for(var i=0;i<10;i++){
if (i==5){
document.write('此处continue中断<br>');
continue;
}
document.write(i+'<br>');
};
</script>
]]>