<button id="btn">click</button>
<ul id="aa"></ul>
script:
var json = [{"name": "aa","sex": 'male'}, { "name": "bb","sex": 'male'}, ];
$('#btn').on('click', function() {
$(json).each(function(index, data) {
$('#aa').append('<li>' + data["name"] + '</li>') })
});
