Created
August 18, 2014 08:44
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js对象属性检测
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| // 好的写法 | |
| if ('count' in object) | |
| //判断DOM对象 IE8之前 DOM对象不从Object对象继承 需要判断 | |
| //判断实例需要使用hasOwnProperty | |
| if (object.hasOwnProperty("related")) { | |
| //非dom对象 | |
| } | |
| if ("hasOwnProperty" in object && object.hasOwnProperty("related")) { | |
| //兼容IE8 | |
| } |
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