javascript动态创建对象的属性详解

var obj = {
  property1: \'\',
  property2: \'\'
  };

obj.property1 = \'some value\';
obj.property2 = \'some other value\';

var obj = {
  property1: \'\',
  property2: \'\',
  foo : function(){
      console.log(obj.property1);
  }};

var obj = {
  property1: \'\',
  property2: \'\'
  };

obj[\'property_name\'] = \'some_value\';

// Example of an   property added with defineProperty with a data property de or
 .defineProperty(obj, \"property3\", {value : \'some value\',
              writable : true,
              enumerable : true,
              configurable : true});
// \'property3\' property exists on   obj and its value is 37