var text='[{"id":"1","title":"Hello world!","created":"1457222400","content":"Hello world"}]';var json=eval('('+text+')');for(var i=0;i<json.length;i++)
t+=json[i].title+'<br>';box.innerHTML=t;輸出的結果為什么是undefinedHello world!?
循環json時為什么會多出一個undefined
肥皂起泡泡
2018-08-06 11:10:49
