jquery遍历json字符串

var json = [
    ...{"id":"1","tagName":"apple"},
    ...{"id":"2","tagName":"orange"},
    ...{"id":"3","tagName":"banana"},
    ...{"id":"4","tagName":"watermelon"},
    ...{"id":"5","tagName":"pineapple"}
];

$.each(json, function(idx, obj) ...{
    alert(obj.tagName);
});

		

var json = '[{"id":"1","tagName":"apple"},{"id":"2","tagName":"orange"},
{"id":"3","tagName":"banana"},{"id":"4","tagName":"watermelon"},
{"id":"5","tagName":"pineapple"}]';
    
$.each(JSON.parse(json), function(idx, obj) ...{
    alert(obj.tagName);
});

//or 

$.each($.parseJSON(json), function(idx, obj) ...{
    alert(obj.tagName);
});