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$.each()遍历json数据

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);
});

$.each()遍历json数据