jquery $.each 和for怎么跳出循环终止本次循环

<script>

$(function(){
for(var i=0;i<10;i++){
if(i%2==0)continue;
if(i==7)break;
document.write(i+"<br>");
}
var json = [
{"id":"1","tagName":"11"},
{"id":"2","tagName":"22"},
{"id":"3","tagName":"33"},
{"id":"4","tagName":"44"},
{"id":"5","tagName":"55"},
{"id":"6","tagName":"66"},
{"id":"7","tagName":"77"},
{"id":"8","tagName":"88"}
];

$.each(json, function(idx, obj) {
if(obj.id%2==0)return true;
if(obj.id==7)return false;
document.write(obj.tagName+"<br>");
});
});
</script>