Admin: 1 версия

2010-05-26T08:22:19Z

1 версия

в 18:30, 25 мая 2010

2010-05-25T18:30:12Z

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=="hasOwnProperty()" Example==



<source lang="javascript">

<html>
<body>
<script language="javascript">
function Object(firstName, lastName){
this.firstName = firstName;
this.lastName = lastName;
}
function function1(){
myObject.getAge = getAge;
alert(myObject.getAge());
}
function function2(){
myObject.favoriteColor = "Blue";
alert(myObject.favoriteColor);
}
function getAge(){
return 35;
}
var myObject = new Object("first name", "last name");
</script>
<button onclick="function2();">Add property</button>
<button onclick="function1();">Add method</button>
<button onclick="alert(myObject.constructor);">Constructor</button>
<button onclick="alert(myObject.isPrototypeOf(myObject));">PrototypeOf</button>
<button onclick="alert(myObject.hasOwnProperty("lastName"));">HasProperty</button>
</body>
</html>

</source>

=="hasOwnProperty()" is applied to==



<source lang="javascript">
+----------------+--------------------------------------------------------------+
| Applied_To |Object |
+----------------+--------------------------------------------------------------+

</source>

=="hasOwnProperty()" Syntax, Parameters and Note==



<source lang="javascript">
Note:
Has your own property.
Returns true or false.

Syntax:

objectName.hasOwnProperty(param1)
Parameters:
param1 Required; the property name.

</source>

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JavaScript Reference/Javascript Methods/hasOwnProperty - История изменений

Admin: 1 версия

в 18:30, 25 мая 2010