get an object properties in jQuery / javascript

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var obj = {     foo:    'bar',     base:   'ball' };   for(var key in obj) {     alert('key: ' + key + '\n' + 'value: ' + obj[key]); }

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$.each(obj, function(key, value) {     alert('key: ' + key + '\n' + 'value: ' + value); });

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