<script type="text/javascript">
var a = '[{"name":"aaa","age":"a"},{"name":"bbb","age1":"b"}]';
var b = '[{"name1":"ccc","age":"c"},{"name":"bbb","age":"b"}]';
var obja = JSON.parse(a);
var objb = JSON.parse(b);
debugger;
//var c = jQuery.extend({},obja, objb);
var d = jQuery.merge(obja, objb);
//var e = jQuery.unique(obja,objb);
debugger;
</script>