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测试属性的对象

代码示例

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测试属性的对象 

function checkObj(obj, checkProp) {
  if(obj.hasOwnProperty(checkProp)){
    return obj[checkProp];
  }else{
    return "Not Found"
  }
}
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测试对象的属性javascript 

var myObj = {
  top: "hat",
  bottom: "pants"
};
myObj.hasOwnProperty("top");    // true
myObj.hasOwnProperty("middle"); // false

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测试属性的对象
测试对象的属性javascript

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