How to use 'jquery hasattr' in JavaScript

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589function hasJQueryData(object) {
590 var data = evalJQueryData(object);
591 for (var x in data) {
592 if (data.hasOwnProperty(x)) {
593 return data;
594 }
595 }
596};
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8function hasAttr(obj, key) {
9 try {
10 return (typeof (obj[key]) !== 'undefined');
11 } catch (e) {
12 return false;
13 }
14}

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